A Penn Hills man told police Wednesdayhe exchanged gunfire with an unknown person who kicked in his apartment door.
The resident claimed the intruder shot first. He returned fire with a legal firearm before the intruder fled, according to Penn Hills police Chief Ronald Como.
Officers initially responded just before 10 p.m. to shots fired at the Alcoma on the Green building on Alcoma Boulevard.
Police discovered a small amount of blood in a hallway but were unable to locate anyone with injuries. Local hospitals were alerted.
