Authorities say two of the three people killed in a shooting outside the largest casino in Reno, Nevada, were 23-year-old men in town celebrating a bachelor party.

Two men in town for a bachelor party and a local man driving through a parking lot were killed in Monday morning’s shooting outside a resort and casino in Reno, Nevada, police said.

The police said that a gunman had shot randomly at a group that was preparing to head home to California after a bachelor party weekend. Three people died in the shooting, and three others were injured.