The gunman shot five people at a valet area, fired at a resort security guard, who wasn’t injured, and then fatally shot someone driving by before police shot him, authorities said.

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 day after a gunman armed with multiple rounds of ammunition shot six people, killing three, at the Grand Sierra Resort in Reno, the shooter's identity and any possible motive are still not known.