Three people, including a pregnant woman, were placed in critical condition after the shooting in the Kensington neighborhood of Philadelphia.
The shooting occurred on 1800 East Thayer Street at around 12:35 pm. afternoon.
Police say a pregnant woman was injured twice, one in the stomach and once in the head. Two men were also shot, and the three were taken to Temple University Hospital where they were all in critical condition.
No one was arrested and no weapons were found.
The investigation is underway.