A Ohio man fatally shot himself in the head moments after realizing he had run over a friend, who also died, police said.

Summit County Sheriff's Sgt. Scott Cottle said witnesses saw Erich Schultz and Stacy DiJulius arguing Saturday night in a parking lot after both had been drinking at a bar in Sagamore Hills, about 20 miles south of Cleveland.

Schultz, 38, tried to drive away in his Jeep, but DiJulius attempted to get into the vehicle as it moved and fell under one of the tires, Cottle said. He added that it appeared Schultz accidentally ran over DiJulius and that he felt so bad about it he then took out a gun and shot himself.

The 39-year-old DiJulius died at a hospital soon after the accident. Schultz was pronounced dead at a hospital Sunday afternoon.