UPPER CHICHESTER, Pa. (CBS) — The southbound lanes of I-95 were closed temporarily Thursday in Upper Chichester, Delaware County following a police chase and shooting on the highway.

Authorities say a police trooper observed a Mercury Sable traveling at a high rate of speed on I-95 at about 11:30 a.m. The trooper attempted a traffic stop, but the driver, identified by police as Dwayne Perkins, did not comply. Authorities say a chase ensued and as Perkins attempted to exit the highway at Route 452, where he struck center guardrail and came to rest on the right berm.

Police say before the trooper could make contact with the occupants of the vehicle, a single shot was fired from within the passenger compartment and Perkins was struck and wounded.

Further details about the incident were not available.

Pennsylvania State Police are investigating.

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