Orlando mayor Buddy Dyer has told press 50 people were killed in the shooting this morning.
This is more than twice the number thought to be killed announced only earlier this morning.
CNN have calling it the ‘worst mass shooting in US history’.
Police are asking those who witnessed the attack or were at Pulse Club last night to ring the FBI hotline: 1-800-CALL FBI
For details of the actual shooting our original story is here. For details of the gunman, Omar Mateen, see here.
FBI is asking if you went to Pulse nightclub and left before the shooting. To please call pic.twitter.com/l1ngCurDox
— Orlando Police (@OrlandoPolice) 12 June 2016