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,

The gunman suspected of killing three people and injuring several others in a mass shooting at the Grand Sierra Resort has died, according to the Sparks Police Department. Dakota Hawver, 26, died overnight Wednesday into Thursday morning.