PHILADELPHIA (CBS) – Philadelphia Police say one person is in extremely critical condition, and three others were hospitalized after a car accident in Fishtown Sunday night.

It happened on Girard Avenue near Columbia Avenue just after 7 p.m.

Police say one of the vehicles flipped on to its roof and the other ended up on the platform of a trolley station.

The victim in critical condition is being treated at Jefferson Hospital. The other three victims are listed in stable condition.

Accident Investigation Officers are working to figure out what caused the wreck.

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