Police are appealing for witnesses after a teenage motorcyclist died following a crash in West Walton. Theincident occurred at 2pm yesterday at the junction with Wisbech Road and Church End, when a green Kawasaki motorcycle collided with a Renault Trafic van. The road was closed while emergency services attended the scene. The motorcyclist, a man aged in his late teens, died in hospital later in the day. Officers would like to speak to anyone who may have witnessed the collision or has any relevant dashcam footage of either vehicle prior to the crash. Anyone with any information is asked to ge…