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.

Four Ventura County men returning home from a bachelor party were injured or killed in the Grand Sierra Resort shooting in Reno on Monday, friends and family told The Ventura County Star. Andrew Canepa, co-owner of the Side Street Café in Newbury Park, Calif., was one of three people confirmed killed.

Police in Nevada say a gunman opened fire just outside the Grand Sierra Resort casino in Reno and shot multiple people. The conditions of the victims were not immediately known.