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Philadelphia (WPHL)- Two Pennsylvania State Police Troopers and one civilian were killed early Monday morning in a South Philadelphia crash.

The crash happened at 12:40 a.m. in the Southbound lanes of I-95 near Lincoln Financial Field.

Police say officers were stopped on Interstate 95 in the southbound lanes to stop a man walking on the interstate. While officers were walking the men back to the car, someone in a vehicle struck the two officers and the civilian.

The officers’ bodies were tossed into the northbound lanes of I-95 due to the impact of the collision, police say.

Police say witnesses attempted to perform CPR on the troopers. They were pronounced dead on the scene.

The troopers were later identified as Martin F. Mack and Branden T. Sisca.

I-95 was shut down in both directions between Broad Street and the Walt Whitman Bridge for several hours as investigators combed the scene.

Police have not released the identity of the civilian victim.

They have also not released the driver’s identity, but they are conducting this as a DUI investigation. 

Stay with PHL17 for updates on this developing story.