At least 58 people were killed and more than 500 injured when a gunman opened fire on a country music festival in Las Vegas Strip on Sunday, raining down bullets from the 32nd floor of a hotel for several minutes before he was shot dead by police.
The death toll, which police emphasized was preliminary, would make the attack the deadliest mass shooting in U.S.
history, eclipsing last year's massacre of 49 people at an Orlando night club.
Some 22,000 people were in the crowd when the man opened fire, sending panicked people fleeing the scene, in some cases trampling