Approximately 20 killed and 42 injured after a gunman opened fire and took hostages at a gay nightclub in Orlando, Florida, police said early Sunday. Officials said a hostage situation developed after the gunman stormed the Pulse Nightclub about 2 a.m. The gunman was shot dead about three hours later when a SWAT team entered the club NBC reports. “We are looking at probably in the range of 20 [dead], but we don’t want to give you an exact figure,” Orlando Police Chief John Mina said. The preliminary assessment: the incident “could definitely be classified as domestic terrorism,” Orange County Sheriff Jerry Demings said.