At least 20 people have been killed and some 42 injured in a shooting at a gay nightclub in Orlando, Florida, police say Orlando Police said officers entered the Pulse Club about three hours after the shooting unfolded - and killed the gunman, who had taken hostages.
The BBC understands the name of the suspect was Omar Mateen, aged 29.
Police called the shooting an act of terrorism, but said they did not know if it was domestic or international.
It is believed that the suspect was not on a terrorism watch list, although he was currently being investigated for an unrelated criminal act.