Florida Nightclub Attack The Worst Mass Shooting In U.S. History

ORLANDO, Florida (AP) – The massacre at an Orlando nightclub that claimed 50 lives is the worst mass shooting in U.S. history.
Police Chief John Mina confirmed at a news conference Sunday morning that 50 people were killed, up from 20 as earlier reported.
Mayor Buddy Dyer says 53 more are hospitalized after the early Sunday incident. He says the shooter is among the dead. He also says the shooter used an assault rifle on all those dead. Officials say one officer was shot, and has injuries