Police were called to the Kroger just before 8 p.m. Sunday with a report of a disturbance. State police said Elizabethtown Officer Josh Burris arrived and confronted a man who had a handgun and was assaulting a woman in the parking lot.
State police say the man fired his weapon and that Burris responded with gunfire, hitting the man.
The man was pronounced dead at a local hospital.
State police said the man, whose name hasn't been released, had additional weapons and ammunition at the scene.