Pittsburgh Police from Zone 5 responded to a ShotSpotter alert, followed by 911 calls, for multiple shots fired in the area of Black Street between Fern Street and N.Negley Avenue just before 6 p.m.

When police arrived on scene they learned two vehicles had been exchanging gunfire. One of the vehicles believed to have been involved in the shooting was found abandoned on

Collins Street. Police continue to search for the other vehicle.

Meantime, a vehicle crashed into a house at Black St. and N. Negley Avenue trying to escape the gunfire. The female driver suffered a graze wound to her shoulder and was treated by medics at the scene, but she refused to be transported to the hospital.  Her vehicle received damage from the gunfire. There were no other occupants.

Two residences and at least two parked vehicles were also struck by gunfire, but there were no other victims. 

Detectives from Major Crimes and the Crime Scene Unit processed the scene.

The investigation continues.