Police received reports that a 48-year-old woman was forced in to a car in the 5000 block of Irving Street around 2:30 a.m. Saturday morning by two unknown men.
The victim says she was taken to an unknown location and sexually assaulted before the men released her.
The suspects are described as two black men, one with a thin build, the other heavyset with a beard. Both men were wearing ski masks.
Anyone with information is asked to contact Philadelphia Police.