The death toll from a nightclub shooting in Orlando in the early hours of Sunday has risen to 50, according to the city's mayor.
A further 53 people are believed to be injured, the mayor added.
An Orange Country sheriff said that the process of removing victims from the Pulse nightclub, where shooting broke out at approximately 2am, is continuing.
Employees at a gun shop refused to sell Omar Mateen bulk ammunition because he was acting suspiciously.
The Orlando mass shooting - the worst in modern US history - has reignited the gun control debate in America.
Omar Mateen is said to have called Orlando's News 13 about 45 minutes after the shooting at the Pulse nightclub began.