Rescue 36 was dispatched at 1233hrs for a vehicle accident with triple entrapment. Enroute, Rescue 34 was requested for assistance. Upon arrival, crews found a 2 vehicle accident with one on its side and the other with 3 trapped. Both Rescues operated on the vehicle with the trapped victims. STAT MedEvac 13 was requested to the scene. The victims were removed and transferred to the care of EMS. Rescue 36 returned to service at 1409hrs.