A 15-year-old boy accidentally killed his father when a wounded 300-pound black bear attacked the father and the son tried to shoot the animal, authorities said.

Darrell Holman, 37, and his son, Ben, were bear hunting when the accident occurred. The son shot his father as the black bear began mauling his father, Las Animas County Sheriff Lou Girodo said Monday.The father was dead of a gunshot wound to the chest when deputies reached him on a mountainside near Aguilar, about 200 miles south of Denver.

The bear was later found dead.