Yaroslav Lukov, Roland Hughes, Vanessa Barford, David Molloy and David Walker
All times stated are UK
We're concluding our live page coverage for now
Here's a summary of the latest developments:
In Haiti, more than 800 people were killed earlier this week
In Haiti, more than 800 people have died
In the US state of Florida, four deaths have been reported, with more than a million left without power
Hurricane Matthew is now moving northward just off the coast of Georgia
Flooding could be severe in coastal areas of Georgia and also South Carolina
Meteorologists predict the weakening of the storm over the next 48 hours
You can follow all the latest updates on this and other stories on the BBC News website.
Thanks for staying with us!
Storm weakening forecast during next 48 hours
Here's the latest update (03:00 GMT) by the National Hurricane Center.
It says the eye of the storm is "continuing northward just off" the coast of Georgia.
"Although weakening is forecast during the next 48 hours, Matthew is expected to remain a hurricane while the centre is near the coast," the NHC adds.
National Hurricane CenterCopyright: National Hurricane Center
Aid vehicles getting through in Haiti's affected areas
Julie Hard, emergency response team leader from the Americares charity, based in Haiti's capital Port-au-Prince, tells the BBC that most of the major bridges in the affected areas have been "washed out and destroyed by this storm".
"So we're quite content that the water levels have gone down and now some vehicles are getting through and people are beginning to make their way to the areas in Les Cayes and now we're just reaching Jeremie to be able to provide aid," Ms Hard adds.
Devastated Haiti areas still largely cut off
In Haiti, some aid has been brought in to the devastated areas.
But aid agencies warn that the region remains largely cut off with access possible only by helicopter or sea.
ReutersCopyright: Reuters
People try to get food at a shelter in Les Cayes, HaitiImage caption: People try to get food at a shelter in Les Cayes, Haiti
Warnings for Georgia and North Carolina
In its latest update from 22:00 local time on Friday (02:00 GMT Saturday), the National Hurricane Center warns that "rising water levels expected along the Georgia and South Carolina coasts in the next few hours".
Death toll in Florida reaches four
At least four people are now known to have died in Florida, officials say.
Two women were killed by falling trees, and two others died from carbon monoxide fumes while running a generator in their garage.
'Trees bending over' on Tybee Island, Georgia, as storm approaches
The hurricane is expected to pass near Tybee Island, Georgia, early on Saturday.
Despite a mandatory evacuation ordered on Wednesday, some residents have decided to stay.
One local resident says "trees are bending over" and it is "raining sideways" as the storm approaches, the Associated Press reports.
ReutersCopyright: Reuters
Hurricane 'well north' of Florida
US meteorologist Zachary Maloch says the storm is now "well north" of south-western Florida, and he expects an "amazing weekend".
The latest update from the National Hurricane Center.
It says that at 20:00 local time on Friday (00:00 GMT Saturday) the eye of the storm was just off the coast of Georgia and north-eastern Florida, about 55 miles (90km) north-east of Jacksonville Beach, Florida, and 105 miles south-east of Savannah, Georgia.
The maximum sustained winds were 110mph.
Matthew is moving northward at 12mph.
National Hurricane CenterCopyright: National Hurricane Center
Safest place to park car - living room
One US family has decided that the safest place for their vehicle was... in the living room...
Curfew in Charleston as hurricane approaches
In South Carolina, the authorities in the city of Charleston have announced a curfew from midnight to 06:00 local time on Saturday - when the hurricane is expected to hit the coast.
Local officials hope the measure will keep people off the streets and prevent possible looting.
Getty ImagesCopyright: Getty Images
Closed shops on Charleston's historic King StreetImage caption: Closed shops on Charleston's historic King Street
No entry east of US Route 1 in parts of Florida
Authorities in St Augustine and the barrier islands, Florida, are preventing people from entering the area east of the major road - US Route 1.
As Matthew continues to batter Florida's coast, here are some images of the damage the hurricane has already caused in the US state.
Getty ImagesCopyright: Getty Images
Huge waves pound a pier in JacksonvilleImage caption: Huge waves pound a pier in Jacksonville
ReutersCopyright: Reuters
Close shave: A tree falls near a house in Daytona BeachImage caption: Close shave: A tree falls near a house in Daytona Beach
Getty ImagesCopyright: Getty Images
Local residents wade through a flooded street in JacksonvilleImage caption: Local residents wade through a flooded street in Jacksonville
Getty ImagesCopyright: Getty Images
People look at a flooded street from their house in St AugustineImage caption: People look at a flooded street from their house in St Augustine
APCopyright: AP
A boat washed ashore amid storm debris in MelbourneImage caption: A boat washed ashore amid storm debris in Melbourne
BBC travels with medical mission to Haiti town
The BBC travelled with a medical team to the southern town of Port Salut in Haiti. More than 800 are dead across the nation.
Nick Bryant reports.
Video content
Video caption: Haiti Hurricane Matthew death toll rises to 800Haiti Hurricane Matthew death toll rises to 800
Rainfall totals rise
As of 18:00 local time, rainfall totals for large parts of east Florida were eight inches (20cm) or higher, the National Weather Service said.
@NWSEasternCopyright: @NWSEastern
Torn roofs and flooded streets
Local TV reporter Brittany Dionne has been wading through the streets of St Augustine, Florida, where she spotted a mobile home with its roof apparently torn off.
The death toll from Hurricane Matthew in the United States is now at least two.
The Sheriff's Office in Putnam County, Florida, said a woman died when a tree fell on a camper van she was sheltering in. Another male occupant survived with minor injuries.
An earlier death was reported after a woman in her 60s was killed by another falling tree in Volusia County.
Slower winds, but with flooding danger
Matthew is now a Category Two hurricane, the US National Weather Service says - but heavy flooding still presents a danger.
Live Reporting
Yaroslav Lukov, Roland Hughes, Vanessa Barford, David Molloy and David Walker
All times stated are UK
- In Haiti, more than 800 people have died
- In the US state of Florida, four deaths have been reported, with more than a million left without power
- Hurricane Matthew is now moving northward just off the coast of Georgia
- Flooding could be severe in coastal areas of Georgia and also South Carolina
- Meteorologists predict the weakening of the storm over the next 48 hours
National Hurricane CenterCopyright: National Hurricane Center 
ReutersCopyright: Reuters People try to get food at a shelter in Les Cayes, HaitiImage caption: People try to get food at a shelter in Les Cayes, Haiti 
ReutersCopyright: Reuters 
Zachary Maloch's tweetCopyright: Zachary Maloch's tweet 
National Hurricane CenterCopyright: National Hurricane Center 
Getty ImagesCopyright: Getty Images Closed shops on Charleston's historic King StreetImage caption: Closed shops on Charleston's historic King Street View more on twitterView more on twitter 
Getty ImagesCopyright: Getty Images Huge waves pound a pier in JacksonvilleImage caption: Huge waves pound a pier in Jacksonville 
ReutersCopyright: Reuters Close shave: A tree falls near a house in Daytona BeachImage caption: Close shave: A tree falls near a house in Daytona Beach 
Getty ImagesCopyright: Getty Images Local residents wade through a flooded street in JacksonvilleImage caption: Local residents wade through a flooded street in Jacksonville 
Getty ImagesCopyright: Getty Images People look at a flooded street from their house in St AugustineImage caption: People look at a flooded street from their house in St Augustine 
APCopyright: AP A boat washed ashore amid storm debris in MelbourneImage caption: A boat washed ashore amid storm debris in Melbourne Video caption: Haiti Hurricane Matthew death toll rises to 800Haiti Hurricane Matthew death toll rises to 800 
@NWSEasternCopyright: @NWSEastern View more on twitterView more on twitter View more on twitterView more on twitter View more on twitterView more on twitter View more on twitterView more on twitter 
APCopyright: AP 
Getty ImagesCopyright: Getty Images 
APCopyright: AP 
Getty ImagesCopyright: Getty Images 
Getty ImagesCopyright: Getty Images
Latest PostWe're concluding our live page coverage for now
Here's a summary of the latest developments:
In Haiti, more than 800 people were killed earlier this week
You can follow all the latest updates on this and other stories on the BBC News website.
Thanks for staying with us!
Storm weakening forecast during next 48 hours
Here's the latest update (03:00 GMT) by the National Hurricane Center.
It says the eye of the storm is "continuing northward just off" the coast of Georgia.
"Although weakening is forecast during the next 48 hours, Matthew is expected to remain a hurricane while the centre is near the coast," the NHC adds.
Aid vehicles getting through in Haiti's affected areas
Julie Hard, emergency response team leader from the Americares charity, based in Haiti's capital Port-au-Prince, tells the BBC that most of the major bridges in the affected areas have been "washed out and destroyed by this storm".
"So we're quite content that the water levels have gone down and now some vehicles are getting through and people are beginning to make their way to the areas in Les Cayes and now we're just reaching Jeremie to be able to provide aid," Ms Hard adds.
Devastated Haiti areas still largely cut off
In Haiti, some aid has been brought in to the devastated areas.
But aid agencies warn that the region remains largely cut off with access possible only by helicopter or sea.
Warnings for Georgia and North Carolina
In its latest update from 22:00 local time on Friday (02:00 GMT Saturday), the National Hurricane Center warns that "rising water levels expected along the Georgia and South Carolina coasts in the next few hours".
Death toll in Florida reaches four
At least four people are now known to have died in Florida, officials say.
Two women were killed by falling trees, and two others died from carbon monoxide fumes while running a generator in their garage.
'Trees bending over' on Tybee Island, Georgia, as storm approaches
The hurricane is expected to pass near Tybee Island, Georgia, early on Saturday.
Despite a mandatory evacuation ordered on Wednesday, some residents have decided to stay.
One local resident says "trees are bending over" and it is "raining sideways" as the storm approaches, the Associated Press reports.
Hurricane 'well north' of Florida
US meteorologist Zachary Maloch says the storm is now "well north" of south-western Florida, and he expects an "amazing weekend".
Latest update from National Hurricane Center
The latest update from the National Hurricane Center.
It says that at 20:00 local time on Friday (00:00 GMT Saturday) the eye of the storm was just off the coast of Georgia and north-eastern Florida, about 55 miles (90km) north-east of Jacksonville Beach, Florida, and 105 miles south-east of Savannah, Georgia.
The maximum sustained winds were 110mph.
Matthew is moving northward at 12mph.
Safest place to park car - living room
One US family has decided that the safest place for their vehicle was... in the living room...
Curfew in Charleston as hurricane approaches
In South Carolina, the authorities in the city of Charleston have announced a curfew from midnight to 06:00 local time on Saturday - when the hurricane is expected to hit the coast.
Local officials hope the measure will keep people off the streets and prevent possible looting.
No entry east of US Route 1 in parts of Florida
Authorities in St Augustine and the barrier islands, Florida, are preventing people from entering the area east of the major road - US Route 1.
Damage in Florida - photo gallery
As Matthew continues to batter Florida's coast, here are some images of the damage the hurricane has already caused in the US state.
BBC travels with medical mission to Haiti town
The BBC travelled with a medical team to the southern town of Port Salut in Haiti. More than 800 are dead across the nation.
Nick Bryant reports.
Video content
Rainfall totals rise
As of 18:00 local time, rainfall totals for large parts of east Florida were eight inches (20cm) or higher, the National Weather Service said.
Torn roofs and flooded streets
Local TV reporter Brittany Dionne has been wading through the streets of St Augustine, Florida, where she spotted a mobile home with its roof apparently torn off.
Two dead in US
The death toll from Hurricane Matthew in the United States is now at least two.
The Sheriff's Office in Putnam County, Florida, said a woman died when a tree fell on a camper van she was sheltering in. Another male occupant survived with minor injuries.
An earlier death was reported after a woman in her 60s was killed by another falling tree in Volusia County.
Slower winds, but with flooding danger
Matthew is now a Category Two hurricane, the US National Weather Service says - but heavy flooding still presents a danger.
Police: Hunker down
Jacksonville's Sheriff's Office urged residents to stay home while posting images of collapsing power lines and falling trees along the roads.
Storm surge pummels Florida coastline
Matthew ripped away roofs and toppled trees while a storm surge brought massive flooding in places like St. Augustine and Cocoa Beach.
Some residents were trapped inside their homes due to the rising water.