Police are hunting for one of the drivers involved in a five-vehicle pile-up on the M5 that left two men dead and two more fighting for their lives – after they drove off before police arrived.Whoever was behind the wheel of an MG Rover heading south down the M5 towards Bristol early on Thursday morning fled the scene before police arrived, and now police chiefs are appealing to them to get in touch.The MG Rover was involved in an initial collision with a Ford Mondeo just after 1am on...
