At least three people were killed and three others were injured by a gunman at the Grand Sierra Resort casino in Reno, Nevada, on Monday, authorities said.Reno Police Chief Kathryn Nance and Sparks Police Chief Chris Crawforth were among a number of officials who held an afternoon press conference to provide an update on the shooting,

A gunman opened fire early Monday morning at a resort and casino in Reno, leaving three people dead and several injured as guests were startled by a spray of gunfire that could be heard from their rooms,

The police shot the gunman after he fired at them during the attack at the Grand Sierra Resort and Casino, the authorities said. Two of his victims remained in critical condition.