7/7 attack: A nation remembers

Leah emails: I was on Piccadilly line train. I remember seeing things I wished I hadn't and not understanding why there would be bodies by the train if there had been a crash or a derailment. I remember a man running through the empty train screaming. I remember emerging onto the platform, not knowing where to go. I remember the police, the sirens, the other people covered in soot. I remember walking through Tavistock square, more sirens and stares. I remember being checked at the hospital, being photographed by police. I remember realising how close I was to the bomb. It took a long time for things to sink in. I had a counselling session quite soon, work insisted. But I thought I was fine. It took over two years before I was diagnosed with PTSD. I couldn't travel on the tube, I had flashbacks, I was prone to floods of tears on the way to work. I had thought I was fine, but proper therapy and CBT did wonders. I too am a survivor.

The BBC's Emma Ailes has been out following the events on the 10th anniversary of the 7 July 2005 attacks. Here's her account of the day: Focus on togetherness as Londoners reflect on 7/7

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BBC Radio 5 live Daily talked to a psychologist who suggests "people are haunted" by images from the London bombings.

Dr Rachel Handley, who provided therapy to those suffering with post-traumatic stress following the attacks, said there were a variety of triggers for disturbing memories.

"When they close their eyes there may be images, nightmares, dreams even flashbacks during their moment by moment daily lives," she said.

"It's very likely that many, many people walked away that day not really comprehending what had happened to them."

Sitara Amin Tilly emails: Ten years ago I was going to Holborn for a Summer School at the London School of Economics. I was 16. I remember the train I was on. It was packed full of people, and I was writing my homework on the train. I remember a bang, the smoke, wondering if I could breathe and the panic in people's faces. I remember screaming for help coming up from the tunnel. I remember 45 minutes feeling like the rest of my life. I cried. I was so scared. I walked tentatively down the tunnel. Covered in soot and dirt, crying my eyes out, I ran home. I walked miles. I still hate the tube, I hate small spaces and I can't stand BBQs.... It still feels like yesterday.

Earlier on the @BBCNews Twitter account we named each of the 52 victims one-by-one.

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You can revisit the Twitter entries to find out more about each of the the victims' lives and their interests and follow a link to their obituaries.

Paramedic Craig Cassidy was one of the first on the scene at Aldgate Station that day.

He said: "My memories are still very exact and precise, I can put myself back into that situation very easily.

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"I was flagged down in my car outside the station to what I believed was a train crash and it was only when we were being escorted down we were told it was believed to be explosives, and that changes your mindset.

"It was just horrific. Once we got inside we were just surrounded by scenes of devastation. There are several people I remember distinctly, who unfortunately we were unable to to help. A younger female and a younger male who will always stay with me."

PC Ashley Walker was near the bus blast on Tavistock Square when he was starting a shift as a trainee officer.

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He said: "All I could see was the roof of the bus in mid-air. The debris around the back of the bus, The initial shock and horror of people's faces as they looked towards me. I can initially see injured people and then as I run closer to the bus I'm seeing the debris of people. My initial thought was just get in the bus and help people.

"I get flashbacks every year when the memorial comes up. I think about every victim and every person I helped and I'll be honest probably 50% of the people I helped, died that day."

Commuters are continuing to pause for a moment to read tributes to the victims of 7/7 at Russell Square 10 years on.

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Sally Hitchiner tweets: Slowly, simply reading their names shows the breadth of the diversity and the unity of London, which no one can take away. #SevenSeven

Mike Brown, the managing director of London Underground, said: "It was a pretty horrendous day. We did see the worst of humanity that day but we also saw the best and beyond that day we saw the best of London coming together as the greatest, most diverse city in the world, people not being defeated by the evil of that day. We ran the Tube the next day with 85% of trains running.

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"The scale of the day first occurred to me on my way home and I rang my wife up when I was in a cab on my way home at about 00:30, I had no concept of the time. I just wanted to speak to my wife and my small baby son.

"It was a real sobering point for me. You try to be professional, I have to say I did have a few moments where it does get to you, how could it not get to you?"

Inger H tweets: My dear #London, let's #walktogether on this day, 10 years after 7/7. It's a privilege to call this wonderful city my home.

Sajda Mughal was on one of the Tube trains which was targeted and said she "was literally preparing for death....being a Muslim I was saying my prayers".

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She told me when she learned the attacks were carried out by four Muslims "that piece of information completely shocked me….Islam completely condemns this kind of behaviour".

Ms Mughal said looking back on the last 10 years it was the attacks which helped define her.

"It was because of 7/7 I'm now doing what I'm doing today - working with grassroots communities, working with mothers who want support, working with those who are at risk of radicalisation and have been radicalised."

Drivetime is broadcasting live from Hyde Park near the memorial to the 52 people killed in the 7 July attacks. It has been the setting for two remembrance services today.

Presenter Chris Rogers said: "There's a strange atmosphere here. It's an atmosphere of people coming together and propping ourselves up and pulling ourselves through this difficult day, but it's also an atmosphere of a lot of pain."

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Reporter, Richard Main said: "It's reflective. It's very quiet. It's one of the clever things about the design of this memorial that they have built a bank alongside the memorial because we're only about 50m from Park Lane and it's very busy, but you can't hear it here and it's very quiet and very peaceful."

On the Six O'Clock News on BBC One Fiona Bruce will be live from Hyde Park near the memorial erected in memory of the London bombing victims following a ceremony of remembrance which took place earlier this afternoon.

Directly afterwards at 18:30, BBC London News speaks to Muslim survivor of the attacks, Sajda Mughal, who says the atrocities helped define her and Home Affairs correspondent Nick Beake looks at how Scotland Yard has foiled 50 terror attacks in the 10 years since 7 July 2005.

Gill Hicks, who lost both her legs in the attacks 10 years ago, said: This is with me everyday, everyday is a different challenge. My life is quite unpredictable. But the one thing that is a constant is I don't have any legs as a result of that incident so that never goes away.

"We must also highlight that there hasn't been a 'successful' incident like 7 July in 10 years and that's a real credit to our intelligence and police forces and all those people doing the grassroots work. The people of the UK have come together and united in all this."

Gill Hicks, a former jazz singer, was the last survivor to be rescued from the Piccadilly line Tube train after a bomb went off at Russell Square. Twenty-six people died.

She said today: "It's been a very difficult day. I think something you can't really prepare for, that's what really has taken me by surprise. How emotional it is even though we're now marking 10 years which is a decent space of time to readjust to life.

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"I remember it very vividly. When we look at Tube travel, everything is by the minute and it's really made me think about how disposable our life is - actually five minutes in the Underground can determine your destiny of life or death.

"I now have this incredible hindsight. If I was just 40 seconds later I might have stood in a different position and that might have cost me my life, but I managed to survive. I've lost parts of both ear drums, throat, lungs, lung capacity. But I'm alive. That's all that matters."

The mother of Philip Russell, who was killed at Tavistock Square, told me today: "I feel close to him everyday but today more than most."

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Cardinal Vincent Nichols, Cardinal Archbishop of Westminster has described the anniversary as a "day of sadness for many as we remember the victims".

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The head of the Roman Catholic church in England and Wales, was among the congregation at the St Paul's memorial service earlier in the day.

"We salute the bravery of the emergency services and remember the dignity of the victims' families," he said in a statement.

"We honour the memory of those who died and pray for the repose of their souls. In our remembrance we commit ourselves again to be resolute in the face of violence."

Two survivors of the attacks have shared their accounts of 7 July 2005 and its aftermath for the first time.

Sitara tells the BBC of walking home from King's Cross covered in soot and dirt, while Karl Williams describes how he has spent the last 10 years searching for a woman he believes was responsible for saving his life.

You have been sharing your memories of the 7 July London bombings on BBC London's Facebook page.

David Scott posted: "Working on the buses in London that day as a route controller and it was one of the hardest and most upsetting days i had ever worked. RIP to the 52 that perished that day."

Share your stories about the day.

Liz in Toronto, tweets: Remembering 7/7. The attack on my second country left me reeling and afraid. 10 years on, London couldn't be more beautiful #walktogether

Prince William has been talking to victims' families and survivors at the 7 July London bombings Hyde Park memorial service in Hyde Park.

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Here, he is photographed speaking to Emma Craig, who was only 14 at the time.

Emma's Craig's emotional address at the Hyde Park service is attracting comment on social media. She was 14 and on her way to a work experience job, when a suicide bomber detonated a device on the Tube train she was on near Aldgate station. You can watch it again here.

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"Sometimes I feel people are so hell-bent on making a point about terrorism not breaking us, that they forget about the people caught up in it," she said.

7 July London bombings survivor Shanie Ryan met Prince William in Hyde Park earlier.

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He told her :"I know about loss. It helps to talk to people."

British Transport Police's Bob Munn, who was the first uniformed officer on the scene at Aldgate Station after hearing of an explosion on 7 July 2005, said there was no doubt in his mind a bomb had been detonated.

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Mr Munn said it was dark inside the station and the air was heavy, making it difficult to breathe. "People were shouting for help," he said. "It was chaotic, but I could see that two main doors of the train had been blown out.

"My first, immediate assessment was that it was a bomb. I've seen bomb damage before. It could have been nothing else."

As his radio didn't work in the underground, he had to run back up to street level to declare "a major incident". He then went back down to help.

Sam White tweets: I only had 10 minutes of fear before I knew @mad_dog78 didn't get on a tube 10 years ago. Some live with that for a lifetime #walktogether

London's Evening Standard newspaper reflects on the events of 7 July 2005 its leader column tonight, while paying tribute to the way the city's residents reacted.

"The ghastly novelty of 7/7 - of suicide attacks in an open western city - remains essentially the same today," it says.

"For some of the injured and for the families of the dead, the scars will never heal. Today we remember them and we grieve for the lives shattered.

"But we also take quiet strength from our city's response - our response - to such horror. This is a city that cannot be broken."

A lot of emotion at 7 July London bombings Hyde Park memorial service as families laid flowers.

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There was a spontaneous applause from members of the public who have gathered.

Andy emails: I was in the second carriage on the train at Kings Cross. I suffered minor cuts and bruising to my back and head. I was shielded by a glass partition that smashed during the blast. I was seen briefly by a medic when we made it back to the station platform but then simply discharged myself as I just wanted to get away. I was in a complete state of shock. Weeks later after suffering from flashbacks I went to see my GP who referred me for counselling. I was diagnosed with PTSD but only had two sessions as I felt almost unworthy in light what trauma and grief others had experienced.

The service ends with the Duke of Cambridge laying a bouquet of flowers at the memorial.

BBC News correspondent Daniella Relph says the Hyde Park service was arranged by the families and had been a year in the planning.

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"Quite a lot of emotion has been pouring out," she says.

"It was planned by them, and it has been conducted in a way that the families of those who died 10 years ago wanted.

"We've had the formal event at St Paul's Cathedral but this was their event."

Gerald Oppenheim, former chairman of the London Bombings Relief Charitable Fund, asks relatives of the those who died, and survivors, to each lay a single yellow gerbera flower at the memorial. Some touch the pillars as they line up to participate.

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BBC Trending has compiled a visual roundup of the social media reaction to the 7 July anniversary.

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It includes the response to the Walk Together initiative, which encouraged people to get off the Tube one stop early and travel the rest of way on foot.

Esther Hyman, sister of Miriam Hyman who died in the Tavistock Square bus explosion, speaks at the Hyde Park service on behalf of the families of the bereaved.

She suggests it is important to "relinquish the need to cling on to any negative emotions".

Tim Coulson, a survivor of the Edgware Road explosion, is now reading out the names of the 52 victims.

It is now the turn of Paul Dadge, a former fire fighter who famously was pictured on 7 July outside Edgware Road Tube station helping a woman victim in a mask, to address the service in Hyde Park.

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"Ten years on I see many of the faces I came to meet on that day," he says. "Like so many others that day... I did what I could. The difference for me was simply an image that meant what I did was made public."

Joe Anderson, Mayor of Liverpool, tweets: On the tenth anniversary of the 7/7 bombings, our thoughts and prayers are with all those who died and suffered on that tragic day.

Sudhesh Dahad, a survivor of the bombing on the Piccadilly line at King's Cross on 7 July 2005, is addressing the service in Hyde Park. It is the first time he has spoken about the events of the day.

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Mr Dahad says the memories of the day can resurface in unexpected ways.

He is followed by Emma Craig, who was 14 when caught up in the attack at Aldgate station, and is in tears as she recounts the experience.

Charles Meaden in Penselwood, Somerset emails: I was in the Edgware Road train that was hit by the blast from the train coming the opposite way. I was in the last carriage. When the bomb exploded I thought we had hit another train and my first thought was I don't want to burn to death. There was a deathly silence for about 30 seconds then the most ghastly screaming. I remember everyone being very calm. Paramedics checked us over and led us through the mangled debris. I then walked to Marble Arch and got a cab home. I have not been contacted since and felt for a while I was suffering from survivor guilt complex.

Claire Nelson, writer, tweets: 10yrs ago I was new to London & stuck on Tube after bombs went off. Today, witnessing two London friends get married. 7/7 from hate to love.

A minute's silence is observed.

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Prince William is sitting alongside former Labour minister Tessa Jowell at the service. In the aftermath of 7 July 2005, she was in charge of co-ordinating the government's response to the attacks.

Hajjeh Maha, United Muslim Women Association, Sydney, Australia, tweets: Great 2C London #walktogether with #Hope not #terror will win in the end.#PeaceAndLove creates #light amidst #darkness #terror @MADforpeace

The service at the 7 July Memorial in Hyde Park gets under way. BBC News correspondent Ben Brown says it is understood the Duke of Cambridge personally expressed a desire to participate in the anniversary events.

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Relatives of those killed and survivors of the 7 July bombings are now gathering for the service in Hyde Park.

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The 7 July bombings on London were a wake-up call for those charged with preventing such attacks, and those expected to respond quickly in order to minimise injuries and loss of life.

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Inquests into the deaths of the 52 people killed in the attacks resulted in several recommendations for security and rescue procedures, while the government has in place an ambitious counter-terrorism strategy.

So what has changed since that day?

Cheshire Specials tweets: As we mark the 10th anniversary of the 7/7 bombings, we remember those who lost their lives and survived this day.

Afzal Babar comments on Facebook: "Respect to all who died on 7/7 bombings and those killed every single day because of terrorism."

Sophie Harper tweets: Ten years on, remembering the 52 victims, and all affected by the 7/7 bombing. They were taken by cowards who we must stand against

The scene is set for this afternoon's service at the 7 July Memorial in Hyde Park.

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The service, which starts at 14:30, will include music from the Rock Choir and a reading of the names of the 52 people who died.

Are we any safer than we were a decade ago?

The short answer? Yes and no.

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Since the London bombings there have been enormous improvements in the way the police, the security service, community leaders and the public all tackle the threat from international terrorism.

The authorities believe that it would be far harder, in 2015, for terrorists to carry out a complex, co-ordinated bomb plot like 7/7 without being detected. But conversely, that threat has diversified into something far harder to detect and stop.

Anish emails: I saw the bus explode on Tavistock square. The train came to a halt and we were told to make our own way to our destination. I tried to walk to Kings Cross but an area around it had been cordoned off. I still remember how loud the sound was, and how high the top of the bus flew into air. I was 17 - the age when you start to learn some hard truths about the world. You realise that nobody is ever fully in control. We are all in a driverless car and anything can happen to anyone at anytime. I haven't sought any help and do not know whether I have any lasting psychological damage but I read the obituaries of all the victims. I can't think why it didn't occur to me to do before. As a Londoner these people feel so familiar and recognisable to me.

You have been sharing your memories of 7 July 2005 on BBC London's Facebook page.

Michele Bruno posts: "Our respect to all those who lost their lives in that horrific and tragic event. Our closeness to all victims' families. God bless you all. A prayer from Italy."

Ahead of this morning's service at St Paul's Cathedral, London Mayor Boris Johnson told the BBC News Channel that 10 years on the capital is more welcoming than ever.

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Steven Desborough was the last civilian to leave tube train attacked at Aldgate, after he helped those injured in the blast.

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He told Victoria Derbyshire about his journey and how he cradled one victim, Carrie Taylor, for 20 minutes as she was dying.

Andrew Dysch tweets: Still have the shoes I was wearing to walk 5 miles on 7/7. The blisters have gone, not the memories. #walktogether

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Seb Coe, MP and Olympic champion, tweets: Privately remembering the victims of the July 7 London bombings in the grounds of St Stephen's Cathedral, Brisbane

Metropolitan Police tweets: #TheMet remember the victims of the #London bombings #sevenseven and the bravery of all emergency services

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The anniversary commemorations have attracted much coverage in the international press. However, many correspondents have chosen to focus on the aftermath and fall out from the events of 7 July 2005.

The New York Times talks about how the "coordinated attacks changed British attitudes, bringing a new focus on the spread of terrorism and further empowering the government to try to forestall extremism".

The headline in Spain's El Pais refers to London "remembering the victims of the attack that changed the country".

Hong Kong's South China Morning Post, meanwhile, runs an article by Associated Press correspondents in London tracing how some critics suggest that "powers introduced to combat the threat of al-Qaeda went too far".

The Australian chooses to highlight Gill Hicks's journey from her home in Adelaide to London for the anniversary. The 46-year-old has become a tireless campaigner against violent extremism since she lost both her legs in the attacks, says the paper.

Ten years on from the 7 July London bombings, Muslim teenagers from Tower Hamlets describe what the attacks mean to them and how they view modern extremist threats.

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As the families of victims and attack survivors leave St Paul's after the national of service of commemoration, many are heading to 7 July Memorial in Hyde Park.

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The site was where the prime minister, mayor of London and representatives from the emergency services laid wreaths this morning at 08:50 - exactly 10 years after the bombings went off on the Tube network.

This afternoon, the Duke of Cambridge will join the survivors and victims' families at the park for a service. Flowers will be laid and Prince William will then attend a private reception with them.

A round-up of the planned and informal tributes that have been taking place to mark the events of 7 July 2005 can be seen in our picture gallery.

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Chief executive of the Aslef train drivers' union Keith Richmond says: "Today our thoughts are with the victims of those attacks, and their families, and with all those who work on London's public transport system, and the emergency services, who did all they could to help 10 years ago."

Ten years on, The Victoria Derbyshire Show has been looking back at how the day unfolded on BBC News.

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Lambeth Fire tweets: A minute's silence in memory and reflection of all in #sevenseven #lambeth fire station. @LondonFire

Unity has been the resounding message of the service at St Paul's Cathedral.

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"Beyond the numbing shock of what happened, there was solidarity. There was unity in our grieving," the Bishop of London Richard Chartres said in his address.

There is truth in his statement. Many of the relatives and survivors in the congregation - strangers until their lives were suddenly welded together by the blasts - have become firm friends, and a vital source of support for each other over the last decade.

Leaders of all faiths pledged to stand united in the face of terrorism.

A peal of bells marked the close of the service at midday.

It was fitting that this significant anniversary be marked in St Paul's, whose dome came to symbolise Londoners' ability to pull together and go on during the Blitz

Gerard McGovern tweeted about a shirt he bought after the attacks: "Bought 10 years ago and we remain unafraid and fiercely proud of all those who call London home."

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In Leeds, where three of four bombers lived, lord mayor Judith Chapman led the silent tribute at 11:30, saying: "They did not represent this city 10 years ago and they do not represent it now."

Police officers gathered within the grounds of Wimbledon Tennis Club to observe a minute silence to commemorate the tenth anniversary of the 7 July 2005 London terrorist attacks.

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The service of commemoration at St Paul's Cathedral is drawing to a close with prayers led by Reverend James Milne, and other clergy, including some who ministered to people affected by the events of 7 July 2005.

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Maxine Lyseight Monu tweets: Feeling like there's a silent roar of solidarity rising up around my beloved #London this morning. #WalkTogether #LoveLondon #10yearson

The father of one of the victims says he thinks about his son every day.

Philip Russell, 28, a financier from Kennington, south London, died in the Tavistock Square explosion.

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Speaking to the BBC's Victoria Derbyshire at the site of the attack, Graham Russell, said: "Time does not heal. All it does is put the event further into the past. You never get closure. It's just that that scar has a thin veneer over it and every so often it breaks up."

Met Police Commissioner Sir Bernard Hogan Howe tells BBC London 94.9: "Looking back after all these years, the first thing we think about is the families of the 52 people who were murdered.

"There were 4 murderers that day. We've got to remain eternally vigilant that does not happen again.

"We've got to be vigilant. We've got to be prepared."

Others in attendance at the service included former Prime Minister Tony Blair and Ken Livingstone, London Mayor at the time of the attacks.

The Bishop of London, The Right Reverend Richard Chartres, reminded the service of the book of tributes to the victims set up after 7 July 2005. It reflected the capital's diversity and make up, he said.

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"There could have been so easily been a demonstration of anger but beyond the shock there was solidarity," he said.

The story of how the residents coped and acted "deserves to be woven into the consciousness of London's memory," he added.

Jane Muirhead tweets: Incredibly moving #7/7 minute's silence at #kingscross. Proud to be in #london right now

Crowds at St Paul's Cathedral remember victims of the 7 July London bombings with a minute's silence.

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The service is continuing with the names of all 52 people killed on 7 July 2005 being read out.

The minute's silence will follow at 11:30, and then petals will be released from the dome of St Paul's.

Staff from Transport from London, the ambulance service, police and fire brigade gave readings at the St Paul's service, reflecting on the history of the four sites hit by the attacks.

They were followed by a reading by a young Londoner, Aaron Grant-Booker.

"These four pieces of London epitomise what is great about this city," he said.

"When four bombs exploded on 7 July 2005, lives were destroyed and the flame of hope faltered for what seemed like an eternal moment.

"For many people, nothing was the same again and yet everything was the same because the good which is in Londoners and the countless visitors whom they host at any given moment is not erased by hatred or threat but, rather, is fostered to produce a harvest of hope for each generation."

A reading from the New Testament at St Paul's Cathedral by London Mayor Boris Johnson is followed by a procession by representatives from the emergency services.

Candles placed earlier this morning at the site of each bombing are being carried through the cathedral and placed under its famous dome before the altar.

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Mohammed Shafiq, chief executive of the Ramadhan Foundation, says: "Today ten years on from the 7/7 terrorist attacks we remember all those killed and injured and their loved ones.

"They were killed by evil men who were driven by hate and a poisonous ideology, which has distorted Islamic teachings.

"British Muslims stood with the victims on that day and do so again today," he added. "We reject this terrorism and ideology and commit ourselves to work with all to protect the safety and security of our country and fellow citizens."

The dean added: "Here, in this icon of the London skyline, we celebrate our city and our community, with its people's tolerance of difference and their respect for diversity...

"But we recall too our shortcomings and failings."

The Duke of York, who is representing the Queen at the service, was received at the Great West Door by the Chapter and the Bishop of London.

The Dean of St Paul's The Very Reverend Dr David Ison, told the service that "representatives of this city and of this nation, together with friends from around the world" were gathering "to recall a moment in time when lives were destroyed and the world was changed".

The national service of commemoration is under way at St Paul's. The Duke of York, Prime Minister David Cameron and London Mayor Boris Johnson are joining victims' relatives and survivors for the event.

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The bells of St Paul's Cathedral are ringing out as guests arrive for the service of commemoration.

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It will be broadcast on BBC1 and St Paul's has published the full order of service on its website.

Tim Coulson was travelling eastbound on the Circle Line train when a suicide bomber blew up the passing westbound train.

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He wasn't injured in the explosion but broke out of his carriage to help people on the other train who were.

Now every year at the memorial service he reads out the names of all those who died in the 7/7 attacks on London.

Beverley Knight, singer, tweets: My thoughts are with all affected by the #7July terror attack 10 years ago in London. We move forward, but we never forget. ❤️xxxxx

Andy McNab, novelist, tweets: My wife was caught up in it and it was a scary few hours until I found her. I'll be observing the minutes silence at 11:30 7/7 #sevenseven

London Fire Brigade tweets: Today we remember all those affected by 7/7, and the tireless work of London's emergency services #WeStandTogether

Emma Barlow emails: "I was one of the people who walked away from the Aldgate train on 7/7, just with a bit of soot on my jacket.

"But I went straight to a counsellor as the images I saw and things I heard haunted me every night. For me I turned it into a positive as it gave me the push I needed to set up my own business.

"I am lucky I don't seem to have any psychological issues due to it. I just try and remember how lucky I am, and how different it could have been. My heart goes out to the victims who weren't so lucky."

Paul Dadge became one of the symbols of the 7 July 2005 attacks after he was pictured leading a lady in a burns mask away from the Edgware Road bomb site.

Today, he is attempting to organise a "social thunderclap" to create a wave of attention for his twitter message: "Ten years on #wewillremember those who lost their lives during the 7/7 London Bombings #1minutesilence http://thndr.it/1JPbxZg"

He hopes to raise awareness for the Foundation for Peace charity.

The 7 July London bombers killed 52 people and inflicted life-changing injuries on dozens more.

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But hundreds like Shanie Ryan caught up in the blasts walked away that day - only to experience delayed emotional effects.

The UK's most senior counter-terrorism police officer has said up to 50 deadly terror attacks have been stopped since the 7 July bombings 10 years ago.

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The Met's Assistant Commissioner, Mark Rowley, said the plots had been different, but all could have resulted in fatalities.

Hannah Roberts in Twickenham emails: "We persuaded our teacher to wheel the TV to the front of the class and we watched the story unfold, with other students desperately trying to contact family.

"I remember one girl being distraught as she could not get through to her mother; a few days later we found out that she had been on-board the bus that had blown up, but fortunately she survived with a broken arm and numerous cuts and bruises; the force of the blast had blown her shoes off."

A decade on from the 7 July 2005 London later, here is a look back at how the day unfolded on BBC London 94.9.

Flowers, wreaths and messages have been left at the 7 July London bombings memorial in Hyde Park including a note from Prime Minister David Cameron.

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BBC Radio 5 live looks at the 7 July attacks in London through the eyes of those who were there including Steve Desborough who, in his 20's, was on his way to work when he became a hero for at least one family.

Former Labour minister Tessa Jowell, who co-ordinated the government's response to the attacks 10 years ago, also attended the wreath-laying event in Hyde Park.

She says London was thrown into a "great state of upheaval" but there were some "extraordinary... acts of human kindness and generosity".

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Ms Jowell was in Singapore with then London Mayor Ken Livingstone promoting the city's successful bid for the 2012 Olympics when she heard of the attacks.

"Our reaction was just to get home as quickly as possible and the plane was delayed.

"But as Ken Livingstone and I flew home we immediately started the work of co-ordinating the support for the bereaved families, many of whom did not know that they were bereaved - 40,000 reports were made of missing people in those hours and days immediately afterwards."

A service of remembrance is taking place in Tavistock Square. A minute's silence was held, candles lit and the names of the 13 people killed when a bomb detonated on a number 30 bus read out.

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On 5 live's Your Call: What are your memories, stories and reflections from the 7/7 London bombings? Call 0500 909 693 text 85058 or tweet @bbc5live. Listen: http://www.bbc.co.uk/programmes/b060xx34

At 09:47, an explosion tore through a No.30 bus at Woburn Place, near Tavistock Square, in central London.

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The attack killed 13 people and injured more than a hundred others.

Matthew Barzun, US Ambassador to the UK, tweets: #WalkTogether In their memory, for this fantastic city & its wonderful people, which I am proud to call my temporary home

Tony Parsons, novelist, tweets: We are still standing. #LondonBombings #SevenSeven #neverforget #walktogether Russell Square

Ken Livingstone who was mayor of London at the time, tells BBC London 94.9: "London didn't stop. We didn't change the way we live.

"The world saw the way Londoners coped with that and were really impressed."

It's a normal morning at King's Cross - commuters are rushing past. But there was a small gathering of Tube staff and relatives of some of the victims near the station's memorial to the bombing.

A minute's silence was held and wreaths from Network Rail and London Underground were laid.

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City worker and commuter Emly Skiber stopped by on her normal commute to Canary Wharf. The silence brought tears to her eyes.

"I wasn't there that day, but it just brings it home that people died."

Dispatched from the newsroom within minutes of the 7/7 bombs being detonated I look at the immediate aftermath and the long-term changes they forced on the city's emergency teams.

The Duke of Cambridge will also attend a service here this afternoon. This wreath laying was simple and respectful.

The last set of wreaths were laid by political representatives - Jennette Arnold, chair of the London Assembly; Jules Pipe, chair of the London Councils, interim Labour leader Harriet Harman; Commons speaker John Bercow, and Baroness D'Souza, Speaker of the House of Lords.

Family of Shyanuja Niroshini Parathasangary is at Tavistock Square laying flowers for the 30 year old who died at 7 July 2005 bombings.

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There is a very sober atmosphere here at Russell Square station. It is almost exactly 10 years since Germaine Lindsay detonated a bomb on a Piccadilly line train which killed 26 people.

A white tent has been erected at the station entrance to give relatives who come here every year on the anniversary to pay their respects by a memorial plaque a bit of privacy.

Wreaths are also being laid at the foot of the plaque at the memorial by representatives from the police, ambulance and fire services, and Transport for London.

A police officer placed a huge wreath of white and yellow flowers at Edgware station.

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Prime Minister David Cameron and London Mayor Boris Johnson lay wreaths at the 7 July Memorial in Hyde Park exactly 10 years after the bombings took place.

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A group gathers in Aldgate station with flowers.

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On Thursday 7 July 2005, at 08:50, three explosions took place almost simultaneously on three separate London Underground trains.

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The attacks killed 39 people and injured hundreds more.

Lins Drabwell is taking part in the #walktogether initiative. She's going from her home in Bromley to office in London Bridge - 8.4 miles. She set off at 06:50 and hopes to arrive just after 09:00.

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"That day we were all just in shock, just watching the news together at work.

"We could see Edgware Road station from our office window, and the emergency services going in. I remember feeling that the attack was personal. It was my city, and my people. I felt very protective.

"That evening we all walked home. Walking together on the 10-year anniversary was an easy decision for me."

David Cameron tweets: Ten years on from the 7/7 London attacks, the threat continues to be as real as it is deadly - but we will never be cowed by terrorism.

Jacqui Putnam was on the train when a bomb exploded at Edgware Road in the 7/7 attacks.

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Although an office first aider, she says she did not know what to do in the aftermath of the blast.

Commuters are being urged to "walk together" by finishing their morning bus or Underground commute one stop early and travelling the last few minutes by foot.

The initiative aims to encourage them to remember the victims of 7 July 2005 and show unity.

It recalls the hours after the attacks when thousands of people had to return home on foot because public transport had been shut down.

London Mayor Boris Johnson tells BBC London 94.9: "I remember the events so vividly and the absolute shock and outrage we felt.

"Those murderers have not succeeded in their aim," he added. "They did not divide London.

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"London today is more a beacon of generosity and welcoming than ever before."

Parents have been reflecting upon losing their sons, 10 years on from the worst single terrorist attack on UK soil.

Grahame Russell said that although it took five days to officially be told of his 28-year-old son Philip's death, "for some reason" he "just knew" on the day it happened.

Sean Cassidy lost his 22-year-old son Ciaran and said, "I can't believe it's 10 years ago, it feels like yesterday. It's always in your mind."

Almost exactly 10 years ago, Londoners saw the bleeding and the injured emerge from the Underground - survivors of the 7 July bomb attacks.

There was no longer any doubt, al-Qaeda's brand of violent extremism was capable of hitting the UK.

On the tenth anniversary of those attacks, are we safer or under a greater threat?

A total of 52 people lost their lives when four suicide bombers attacked central London 10 years ago.

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Here are their stories.

BBC News takes a look back on what happened on 7 July 2005

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Several events are taking place today:

• At 08:50, a wreath laying ceremony will take place, to coincide with when the first three bombs exploded.
• At 11:00, a remembrance service attended by survivors and the relatives of those who were killed will be held at St Paul's Cathedral
• At 11:30, a minute silence takes place at St Paul's and across the Tube network
• At 14:30, an open air service will be held at Hyde Park.

Ten years ago, four suicide bombers with rucksacks full of explosives attacked central London, killing 52 people and injuring hundreds more.

It was the worst single terrorist atrocity on British soil.

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We will bring you the latest updates and reactions as memorials and services mark the anniversary.