Powerful Hurricane Michael is set to make landfall in Florida later on Wednesday, forcing mass evacuations in the southern US state.
A category three storm with winds near 125mph (201km/h), Michael is expected to strengthen further when it hits the Florida Panhandle or Florida Big Bend in the north-west, meteorologists warn.
More than 370,000 people have been ordered to evacuate in Florida.
Florida, Alabama and Georgia have declared states of emergency.
At least 13 people have reportedly died in Central America due to the storm.
What are the latest developments?
In its bulletin, the Miami-based National Hurricane Center (NHC) said: “Some further strengthening is expected overnight and on Wednesday, and Michael is forecast to become a category four hurricane before it makes landfall.”
The NHC warns that some regions of Florida may see storm surges of up to 12ft (4m).
It said that at 03:00 GMT on Wednesday, the eye of the storm was about 220 miles south-west of Panama City, Florida.
Michael is currently moving northwards at 12mph.