Hurricane Michael has been upgraded to an "extremely dangerous" category 4 storm, hours before it is due to make landfall in Florida.

 Hurricane Irma knocked out power to nearly 4 million homes and businesses in Florida on Sunday, threatening millions more as it crept up the state’s west coast, and full restoration of service could take weeks, 

 Matthew, the first major hurricane threatening a direct hit on the United States in more than 10 years, closed in on Florida on Thursday after killing at least 283 people in Haiti on its destructive march north through the Caribbean.

 At least two people were killed and 14 to 16 wounded in a shooting at a nightclub in Fort Myers, Florida early on Monday, police said.

 As U.S. public health officials try to determine whether Zika has arrived in the country, doctors are establishing guidelines on how to care for the rising number of babies whose mothers were infected with the virus during pregnancy.

 A Haitian woman in Florida has delivered the first baby in the state born with the birth defect microcephaly caused by the Zika virus,

Tropical Storm Colin picked up speed over the Gulf of Mexico on Monday as it headed toward Florida's northwest coast, unleashing thunderstorms and flooding while the state's governor activated the National Guard ahead of its landfall. 

 A grandfather shot dead his daughter and her six children before taking his own life at a home in Bell, Florida, police have said.