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DELAWARE COUNTY, Pa. (CBS) – Pennsylvania State Police are investigating a multi-vehicle accident on I-95 Northbound in Tinicum Township. At least two cars were involved in the crash which happened near Exit 9 around 11 p.m. on Friday.

Police have not released any details regarding injuries but the Delaware County Medical Examiner was on the scene.

The northbound lanes of I-95 were shut down for a few hours but traffic have reopened since.