Hurricane Michael has strengthened to a category two storm, with winds topping 100mph (155km/h) as it churns towards the Florida coast.

The storm is expected to reach category three before making landfall on Wednesday. Florida Governor Rick Scott has warned residents to evacuate.

Alabama, Florida and Georgia have declared states of emergency in all or parts of the states.

At least 13 people have reportedly died in Central America due to the storm.

Governor Scott called for coastal residents to evacuate, saying: “It could be the difference between life and death.”

Alabama is under a statewide state of emergency ahead of the hurricane, along with 92 counties in southern Georgia and 35 counties in Florida.