• The authorities are still searching for a motive for the gunman who killed at least 59 people and wounded more than 520 others on Sunday at an outdoor music festival in Las Vegas.

As investigators sketched a portrait of the suspect, Stephen Paddock, a wealthy gambler and amateur golfer, survivors have described the scene of carnage in vivid detail: Thousands of concertgoers screaming and running for cover as victims fell around them. Above, the site of the shooting on Tuesday.