At 1316 hours Christiana, stations 3, 6 & 12, were alerted to an MVC at the Village of Red Lion Creek Townhouses. Initial reports were an MVC with injuries. At 1327 hours 129B went on scene confirming entrapment. At 1326 hours B15, Rescue 15 and Medic 6 were dispatched for station assist 3/6/12 for an MVC with Entrapment. B15 went responding at 1330 hours followed by Rescue 15 at 1335 hours. ALS 21 arrived and took command and requested another ALS unit in addition to Medic 6. The Patient was pinned inside the vehicle which had been struck on the driver's side by a small "U-haul" vehicle. Rescue 15's crew assisted crews from 3/6/12 with patient extrication, completed at 1350 hours. Trooper 4 transported one patient to CER with B15 and B3 transporting one each. Command placed situation under control at 1353 hours. Units on scene: A12, B3, M6B, AlS21, B15, M2B, Trooper 4, B6, Rescue 15, 66, Rescue 27