Pittsburgh Police from Zone 6 responded to the 300 block of Minton Street for a Shotspotter alert for multiple shots fired just before 8:45 p.m.
Responding officers located a juvenile male victim with a gunshot wound to the leg. He was transported to the hospital in priority condition.
Another juvenile male was taken to headquarters to be questioned.
One residence was also struck on the 3000 block of Merwyn Avenue. The residents inside were not injured.
Major Crimes and Crime Scene Unit detectives are investigating.
The investigation is ongoing.