Thailand's revered King Bhumibol Adulyadej has died after 70 years on the throne
He was 88 and had been in poor health for a long time
There were scenes of raw grief outside the hospital where he died
His 64-year-old son, Crown Prince Maha Vajiralongkorn, has been named his successor, but has asked for some time to mourn before he is proclaimed monarch
You can still follow all the latest developments on this story at the BBC News website.
Thanks for following us.
British PM Theresa May pays tribute
In a statement, British Prime Minister Theresa May says: "I would like to express my sincere personal condolences to the Royal Family and the people of Thailand on the death of His Majesty King Bhumibol Adulyadej.
"His Majesty guided the Kingdom of Thailand with dignity, dedication and vision throughout his life. He will be greatly missed.
"Our thoughts are with the people of Thailand at this difficult time," the prime minister adds.
Crown Prince 'well aware of the duty of an heir'
Crown Prince Maha Vajiralongkorn "is well aware of the duty of an heir and will keep performing his duties," Prime Minister Prayuth Chan-ocha tells reporters, BBC's Jonah Fisher tweets.
Kerry remembers a king born in his home state of Massachusetts
US Secretary of State John Kerry has paid his own tribute to King Bhumibol Adulyadej, who was born in his home state of Massachusetts.
"The only monarch in history ever born in our country," Mr Kerry says.
"The Bhumibol Adulyadej Square in the city of Cambridge [in Massachusetts] marks his birthplace and will remain an enduring memorial to the special bond he created between our peoples.
"He will be long remembered and will be deeply missed. The United States stands with the people of Thailand at this difficult time. Our thoughts and prayers are with you," Mr Kerry adds.
PM urges nation to be vigilant about security
Prime Minister Prayuth Chan-ocha has urged the Thai people to be vigilant about security in the aftermath of the king's death, Reuters reports.
"Everyone will need to be alert in every region and throughout the country to ensure safety," he said in a televised statement.
He has also appealed for normality in the financial markets. "On the economic side, whether it's the stock market, trade, investment and business sector, please don't stop."
Thai royal family tree
Crown Prince Maha Vajiralongkorn, the late king's 64-year-old son and successor, is one of four children.
The only son, the Crown Prince has spent 44 years as heir apparent.
Since 1975 he has been an officer in the Thai military. He has been married - and divorced - three times and has seven children.
Observers say he is yet to attain the popularity of his father.
BBCCopyright: BBC
Crown Prince asks for time to mourn before being proclaimed king
Crown Prince Maha Vajiralongkorn has asked for a delay before he is proclaimed the next monarch, Prime Minister Prayut Chan-o-cha has told reporters.
He said Maha Vajiralongkorn had asked for time to mourn along with the rest of the country.
AFPCopyright: AFP
Crown Prince Maha Vajiralongkorn is pictured here in May 2015 at a royal ceremony in BangkokImage caption: Crown Prince Maha Vajiralongkorn is pictured here in May 2015 at a royal ceremony in Bangkok
UN observes minute's silence in memory of King Bhumibol
A minute's silence has been observed at a meeting of the UN General Assembly in memory of Thailand's King Bhumibol. Outgoing Secretary General Ban Ki-moon earlier praised his legacy as a "unifying national leader" (see 14:37 entry).
ReutersCopyright: Reuters
BBC World News TV and Al Jazeera off air in parts of Thailand
The BBC's international TV channel, BBC World News, has been unavailable to view in parts of Thailand since shortly after the king's death was announced.
Broadcasts of the Qatar-based Al Jazeera news channel have also been affected.
There has been no official explanation why.
Prayers are held outside hospital
At least 1,000 people have gathered outside the hospital in Bangkok where the king passed away. Incense sticks are being burned, prayers are being held and flowers are being left.
Many devotees of the king have spent days here - ever since it became clear he was in failing health. There were wails of grief when the announcement of his death was made.
ReutersCopyright: Reuters
EPACopyright: EPA
ReutersCopyright: Reuters
Obama recalls king's 'grace and warmth'
US President Barack Obama has sent his condolences to King Bhumibol's family and the Thai people, calling the king a close friend and valued partner.
He said: "I had the honor of calling on His Majesty the King during my visit to Thailand in 2012, and recall his grace and warmth, as well as his deep affection and compassion for the Thai people.
"As the revered leader and only monarch that most Thais have ever known, His Majesty was a tireless champion of his country's development and demonstrated unflagging devotion to improving the standard of living of the Thai people. With a creative spirit and a drive for innovation, he pioneered new technologies that have rightfully received worldwide acclaim."
APCopyright: AP
President Obama met King Bhumibol Adulyadej during a visit to Thailand in 2012.Image caption: President Obama met King Bhumibol Adulyadej during a visit to Thailand in 2012.
UK Foreign Office advises tourists to 'wear sombre clothing'
The UK Foreign Office has updated its advice for tourists travelling to Thailand. It says:
"If possible, wear sombre and respectful clothing when in public."
The Thai government has announced a year-long period of mourning for officials.
A monarch who remained an enigma - video tribute
Video content
Video caption: King Bhumibol: A monarch who remained an enigmaKing Bhumibol: A monarch who remained an enigma
UN chief praises king for 'commitment to universal values'
UN Secretary General Ban Ki-moon has paid tribute to King Bhumibol. A statement from his office said:
"The Secretary-General acknowledges King Bhumibol’s long dedication to his country and his legacy as a unifying national leader. He was revered by the people of Thailand and highly respected internationally. In recognition of his work, he received a Lifetime Achievement Award from the United Nations Development Programme in 2006.
"The Secretary-General expresses his hope that Thailand will continue to honour King Bhumibol’s legacy of commitment to universal values and respect for human rights."
Seven decades on the throne - in pictures
The reign of King Bhumibol Adulyadej spanned eight decades.
He was born in the US, studied in Switzerland and went on to have four children with Princess Sirikit.
Here's a look at his life in pictures, from boyhood, through family life and his time on the throne.
APCopyright: AP
APCopyright: AP
APCopyright: AP
Bangkok Post newspaper goes black and white
Bangkok postCopyright: Bangkok post
What happens next?
The body of King Bhumibol will be taken from Bangkok's Siriraj hospital to the Grand Palace to be ritually washed. That is likely to happen tomorrow.
He will then lie in state for 100 days, after which preparations for an elaborate cremation ceremony will begin.
That ceremony could take place in as long as a year from now. It has been announced that there will be a year of mourning for government officials.
Lese majeste - Thailand's reporting restrictions
Reporting on members of Thailand's monarchy is restricted by the country's extremely strict lese majeste laws.
Media companies based outside of the country who have staff there also adhere to the restrictions in many cases.
The laws protect the most senior members of Thailand's royal family from insult or threat, but there is no exact definition of what constitutes an insult to the monarchy.
Lese majeste complaints can also be filed by anyone, against anyone, and they must always be formally investigated by the police.
Critics say the room for interpretation is too wide, and the penalties too severe.
The military government of Prime Minister Prayuth Chan-ocha has stressed the laws are needed to protect royals.
King Bhumibol was widely revered across Thailand, thought of by many as semi-divine. Mourners gathered outside the Bangkok hospital where he died were stricken with grief at the news.
APCopyright: AP
APCopyright: AP
APCopyright: AP
King's death was 'a long goodbye' for Thailand
BBC South East Asia Correspondent Jonathan Head is in Bangkok among mourners.
He said the king's death has been a "long goodbye" for Thailand.
"This is a man who far more than the British queen was seen as the heart of the nation," he said.
Live Reporting
All times stated are UK
- Thailand's revered King Bhumibol Adulyadej has died after 70 years on the throne
- He was 88 and had been in poor health for a long time
- There were scenes of raw grief outside the hospital where he died
- His 64-year-old son, Crown Prince Maha Vajiralongkorn, has been named his successor, but has asked for some time to mourn before he is proclaimed monarch
BBCCopyright: BBC 
AFPCopyright: AFP Crown Prince Maha Vajiralongkorn is pictured here in May 2015 at a royal ceremony in BangkokImage caption: Crown Prince Maha Vajiralongkorn is pictured here in May 2015 at a royal ceremony in Bangkok 
ReutersCopyright: Reuters 
ReutersCopyright: Reuters 
EPACopyright: EPA 
ReutersCopyright: Reuters 
APCopyright: AP President Obama met King Bhumibol Adulyadej during a visit to Thailand in 2012.Image caption: President Obama met King Bhumibol Adulyadej during a visit to Thailand in 2012. Video caption: King Bhumibol: A monarch who remained an enigmaKing Bhumibol: A monarch who remained an enigma 
APCopyright: AP 
APCopyright: AP 
APCopyright: AP 
Bangkok postCopyright: Bangkok post 
APCopyright: AP 
APCopyright: AP 
APCopyright: AP View more on twitterView more on twitter
Latest PostWe're concluding our live page coverage for now
Here's a summary of events:
You can still follow all the latest developments on this story at the BBC News website.
Thanks for following us.
British PM Theresa May pays tribute
In a statement, British Prime Minister Theresa May says: "I would like to express my sincere personal condolences to the Royal Family and the people of Thailand on the death of His Majesty King Bhumibol Adulyadej.
"His Majesty guided the Kingdom of Thailand with dignity, dedication and vision throughout his life. He will be greatly missed.
"Our thoughts are with the people of Thailand at this difficult time," the prime minister adds.
Crown Prince 'well aware of the duty of an heir'
Crown Prince Maha Vajiralongkorn "is well aware of the duty of an heir and will keep performing his duties," Prime Minister Prayuth Chan-ocha tells reporters, BBC's Jonah Fisher tweets.
Kerry remembers a king born in his home state of Massachusetts
US Secretary of State John Kerry has paid his own tribute to King Bhumibol Adulyadej, who was born in his home state of Massachusetts.
"The only monarch in history ever born in our country," Mr Kerry says.
"The Bhumibol Adulyadej Square in the city of Cambridge [in Massachusetts] marks his birthplace and will remain an enduring memorial to the special bond he created between our peoples.
"He will be long remembered and will be deeply missed. The United States stands with the people of Thailand at this difficult time. Our thoughts and prayers are with you," Mr Kerry adds.
PM urges nation to be vigilant about security
Prime Minister Prayuth Chan-ocha has urged the Thai people to be vigilant about security in the aftermath of the king's death, Reuters reports.
"Everyone will need to be alert in every region and throughout the country to ensure safety," he said in a televised statement.
He has also appealed for normality in the financial markets. "On the economic side, whether it's the stock market, trade, investment and business sector, please don't stop."
Thai royal family tree
Crown Prince Maha Vajiralongkorn, the late king's 64-year-old son and successor, is one of four children.
The only son, the Crown Prince has spent 44 years as heir apparent.
Since 1975 he has been an officer in the Thai military. He has been married - and divorced - three times and has seven children.
Observers say he is yet to attain the popularity of his father.
Crown Prince asks for time to mourn before being proclaimed king
Crown Prince Maha Vajiralongkorn has asked for a delay before he is proclaimed the next monarch, Prime Minister Prayut Chan-o-cha has told reporters.
He said Maha Vajiralongkorn had asked for time to mourn along with the rest of the country.
UN observes minute's silence in memory of King Bhumibol
A minute's silence has been observed at a meeting of the UN General Assembly in memory of Thailand's King Bhumibol. Outgoing Secretary General Ban Ki-moon earlier praised his legacy as a "unifying national leader" (see 14:37 entry).
BBC World News TV and Al Jazeera off air in parts of Thailand
The BBC's international TV channel, BBC World News, has been unavailable to view in parts of Thailand since shortly after the king's death was announced.
Broadcasts of the Qatar-based Al Jazeera news channel have also been affected.
There has been no official explanation why.
Prayers are held outside hospital
At least 1,000 people have gathered outside the hospital in Bangkok where the king passed away. Incense sticks are being burned, prayers are being held and flowers are being left.
Many devotees of the king have spent days here - ever since it became clear he was in failing health. There were wails of grief when the announcement of his death was made.
Obama recalls king's 'grace and warmth'
US President Barack Obama has sent his condolences to King Bhumibol's family and the Thai people, calling the king a close friend and valued partner.
He said: "I had the honor of calling on His Majesty the King during my visit to Thailand in 2012, and recall his grace and warmth, as well as his deep affection and compassion for the Thai people.
"As the revered leader and only monarch that most Thais have ever known, His Majesty was a tireless champion of his country's development and demonstrated unflagging devotion to improving the standard of living of the Thai people. With a creative spirit and a drive for innovation, he pioneered new technologies that have rightfully received worldwide acclaim."
UK Foreign Office advises tourists to 'wear sombre clothing'
The UK Foreign Office has updated its advice for tourists travelling to Thailand. It says:
"If possible, wear sombre and respectful clothing when in public."
The Thai government has announced a year-long period of mourning for officials.
A monarch who remained an enigma - video tribute
Video content
UN chief praises king for 'commitment to universal values'
UN Secretary General Ban Ki-moon has paid tribute to King Bhumibol. A statement from his office said:
"The Secretary-General acknowledges King Bhumibol’s long dedication to his country and his legacy as a unifying national leader. He was revered by the people of Thailand and highly respected internationally. In recognition of his work, he received a Lifetime Achievement Award from the United Nations Development Programme in 2006.
"The Secretary-General expresses his hope that Thailand will continue to honour King Bhumibol’s legacy of commitment to universal values and respect for human rights."
Seven decades on the throne - in pictures
The reign of King Bhumibol Adulyadej spanned eight decades.
He was born in the US, studied in Switzerland and went on to have four children with Princess Sirikit.
Here's a look at his life in pictures, from boyhood, through family life and his time on the throne.
Bangkok Post newspaper goes black and white
What happens next?
The body of King Bhumibol will be taken from Bangkok's Siriraj hospital to the Grand Palace to be ritually washed. That is likely to happen tomorrow.
He will then lie in state for 100 days, after which preparations for an elaborate cremation ceremony will begin.
That ceremony could take place in as long as a year from now. It has been announced that there will be a year of mourning for government officials.
Lese majeste - Thailand's reporting restrictions
Reporting on members of Thailand's monarchy is restricted by the country's extremely strict lese majeste laws.
Media companies based outside of the country who have staff there also adhere to the restrictions in many cases.
The laws protect the most senior members of Thailand's royal family from insult or threat, but there is no exact definition of what constitutes an insult to the monarchy.
Lese majeste complaints can also be filed by anyone, against anyone, and they must always be formally investigated by the police.
Critics say the room for interpretation is too wide, and the penalties too severe.
The military government of Prime Minister Prayuth Chan-ocha has stressed the laws are needed to protect royals.
You can read more about the laws here: What is lese majeste?
Mourners stricken with grief outside hospital
King Bhumibol was widely revered across Thailand, thought of by many as semi-divine. Mourners gathered outside the Bangkok hospital where he died were stricken with grief at the news.
King's death was 'a long goodbye' for Thailand
BBC South East Asia Correspondent Jonathan Head is in Bangkok among mourners.
He said the king's death has been a "long goodbye" for Thailand.
"This is a man who far more than the British queen was seen as the heart of the nation," he said.
Many Thais feel an "unspoken emotional bond" with King Bhumibol, despite his long absence from public life, he said.
Widespread mourning throughout the country is expected for months.
Read more from Jonathan Head on the king's reign: How King Bhumibol shaped modern Thailand