Shortly after 8:30 p.m., police began receiving several calls about a woman being shot on the 1800 block of South 23rd Street.
Police and medics arrived to find a wounded woman.
It was determined she was either shot or injured by a flying concrete chip. The chip would have been the result of gunfire along the block.
Police say the woman was sitting on a porch and was an innocent bystander.
The 50-year-old woman was transported to the Hospital of the University of Pennsylvania for treatment of a gunshot wound to the lower abdominal region.
Police are searching for the shooter.