07/29 /11 - Kuhl Hose and Emergycare were dispatched to RT 8 @ Jones Rd for an MVA with reported entrapment.  680 arrived and reported 2 vehicles with heavy damage.  683 and 687 responded with full crews and were on scene in just minutes.  Belle Valley was dispatched for Rescue to assist at the scene.  680 reported 3 patients all trapped with critical injuries.  On arrival 683 arrived began to gain access to the patients and then the disentanglement.  687 and Medic 144 began treating the patients.  MPS was requested for an additional ALS transport unit along with a third ALS unit from Emergycare.   On arrival Belle Valley began the disentanglement of a 3rd patient with 683's crew assisting.  All patients were transported to UPMC Hamot.  The Pennsylvania State Police are investigating the accident.