A 5-year-old Utah boy died when he accidentally shot himself with a handgun in a small town south of Salt Lake City on Thursday, police said.

Lt. Mike Wall with the Santaquin Police Department told KSL-TV the boy found a 9 mm handgun in the back room of his house and fired a single shot. The boy’s parents and siblings were inside the home when the shooting happened but were not with him in the room.