The death toll after a gunman opened fire outside a resort and casino in Nevada on Monday rose to three, authorities said.

Three people are dead and three others wounded by gunfire after a man opened fire with a handgun outside the Grand Sierra Resort Casino in Reno Monday morning, police said. A police officer was also wounded by glass fragments.

Julian Hamilton, 35, has been sentenced to an aggregate term of 42 to 108 years in prison for a deadly shooting outside the Peppermint Hippo Strip Club in March