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,

Dakota Hawver, a 26-year-old Reno resident, was pronounced dead overnight, the Sparks Police Department said July 31.

The suspected gunman who opened fire outside a resort and casino in Nevada on Monday, killing three people, has died, police said on Thursday, police said.