Up to three people began shooting at a nightclub in the US city of Orlando. Two of the 300 people at the club were killed and at least 10 injured.
Police say that three off-duty officers were present as security guards and that none of them fired a shot. "All of the shots that were fired last night were fired inside the club," said a spokesperson.
No information has been released about a possible motive or about the identities of the victims.