POLICE have renewed calls for witnesses to speak up after two major crashes killed one man and left another in hospital .Officers are on the hunt for the driver of a four-by-four who may have tried to help at the scene of an incident in Leigh.A 29-year-old man was seriously injured in a smash on the B2027 at approximately 9.15pm on November 27.The victim, from Leigh, remains in hospital after his BMW ploughed into a tree between junctions for Penshurst Road and Cinder Hill Lane.Officers...
