NJ State Police officials are investigating a crash that caused injuries on the Garden State Parkway in Clark on Tuesday afternoon.
According to a statement released by NJ State Police, at approximately 12:39 this afternoon, a Ford ambulance was traveling southbound on the Garden State Parkway in Clark Township.
Police say in the area of milepost 135.8, a Toyota minivan struck the ambulance in the rear that was transporting no patients.
According to police, the driver and passenger of the ambulance sustained non-life threatening minor injuries.
Police say the driver and one passenger of the Toyota sustained severe injuries while another passenger of the car sustained moderate injuries.
According to police two other occupants of the Toyota sustained minor injuries.
Police closed the four southbound right lanes of the Parkway for approximately three hours resulting in heavy traffic congestion.
The official cause of the crash remains under investigation.