An arrest was made in a hit-and-run crash that critically injured a woman in South Philadelphia.

The 52-year-old woman was crossing 9th Street at Oregon Avenue shortly before midnight Saturday when she was struck by a red Ford Focus that was traveling on Oregon Avenue.

After striking the pedestrian, the driver fled the scene, police said.

The woman was rushed to Thomas Jefferson University Hospital where she is listed in extremely critical condition with internal injuries, major head trauma and brain bleeding.

Investigators say they located the car in Aston, Pa. as well as the registered owner of the vehicle. Police later announced the driver of the vehicle was arrested by Aston Police for warrants in Delaware County. The driver was sent to George Hill prison. An arrest warrant for the South Philly hit-and-run is pending further investigation, police said. Police have not yet revealed the driver's identity.