A Las Vegas gunman carried out the most deadly mass shooting in U.S. history Sunday night when he opened fire at a country music festival, killing at least 58 people and wounding more than 515 others.

Nevada police said Stephen Paddock, 64, started shooting from the 32nd floor of a hotel for several minutes before turning the gun on himself and committing suicide. 

Investigators said the death toll was preliminary, but if confirmed would make the attack the deadliest mass shooting more deadly than last year’s massacre of 49 people at an Orlando nightclub.

Videos and photographs taken on the Las Vegas strip show thousands of panicked people fleeing the scene, in some cases trampling one another as law enforcement officers scrambled to locate and kill the gunman. Shocked concertgoers, some with blood on their clothes, wandered the streets after the attack.


As of Monday morning, police said they had no information yet about Paddock's motive.

He was not believed to be connected to any militant group, Clark County Sheriff Joseph Lombardo told reporters.

“We have no idea what his belief system was,” Lombardo said. “We’ve located numerous firearms within the room that he occupied.”

Authorities believed they had located Paddock’s roommate, who they identified as Marilou Danley. He gave no details of whether she was suspected of involvement in the attack but described her as an “associate.”

Police had located two cars that belonged to the suspect. Stay with Metro as this story develops.

Reuters contributed to this report.

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