It happened at 2 a.m. Sunday morning at the Pulse nightclub in Orlando. Witnesses say people in the club heard a volley of shots fired and started running from the club. Police say following the shooting the gunman identified as Omar Mateen held people hostage before he was killed by police three hours later. Mateen was born here in the U.S. His family is from Afghanistan. The investigation continues.
More in this report from CBS