PHILADELPHIA (WPVI) -- Police are asking for help identifying a vehicle and driver involved in the fatal hit-and-run of a 77-year-old woman in Philadelphia's Overbrook section on Friday.

On Monday, police released a photo of the car suspected in the fatal crash.

The victim, identified as Dorothea Cathell, was fatally struck around 5:20 p.m. at the intersection of 54th Street and Lancaster Avenue.

Police believe the striking vehicle was a black Infiniti Q50, with a Delaware paper tag. It has cracked molding on the front bumper and grille, denting on the hood and a broken windshield.

It was traveling eastbound on Lancaster Ave. when the driver struck Cathell.

After the crash, police said the driver reversed down Lancaster Ave. and took off south, where they say a female passenger was

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