Police are trying to work out what drove a (wealth) former accountant to open fire on concertgoers in Las Vegas, (kill) at least 58 people and injuring almost 500.
The gunman, Stephen Paddock, 64, set up a firing point in a hotel overlooking an open-air music festival shot himself dead before the police stormed his room.
Some 22, 000 people (attend) a country music festival late on Sunday, 1 October, in the open air by the Las Vegas strip when the firing occurred. The first shots rang out at around 22:05 local time (05:05 GMT) and continued a rapid rate in sustained bursts for 10 minutes.
Witnesses described hundreds of shots being fired. sounded like automatic gunfire can be heard on videos from the scene. There are reports that Paddock was using a "bump stock" – a modification (改良) to a weapon that can(able) it to fire hundreds of rounds a minute. There were reports of other incidents at different locations along the Las Vegas strip, but police later saidwere false.
At 22:15, the last shot was fired. Three minutes (early), an officer on the 31st floor of the Mandalay Bay Hotel identified the gunman's location on the 32nd floor. Officers reached the 32nd floor at 22:17, finding an (injure) security guard, another of Paddock's victims.
