LINDEN - A Piscataway police officer was injured during an undercover operation at the Benedict Motel in Linden.
The incident happened just before 5 p.m.
Police fired at a suspect who then rammed his car into a Piscataway police officer and drove away.
The injured officer was taken to a local hospital.
The suspect was hit in the face by a bullet before crashing on Route 1 by the Conoco Refinery, causing a major accident.
Police have one additional suspect in custody.
A part of Route 1 has been shut down as police continue to gather evidence.