Part of a motorway has closed after a multi-vehicle crash. The M2 London-bound between junction 3 for Chatham and junction 2 for Rochester has been shut due to the incident just before 1pm as snow began to fall across Kent. Emergency services are in attendance with officers from National Highways also present to help with traffic flow. There is a diversion rerouting all drivers. Cars should leave the M2 westbound at junction 3 and take the first exit to join the A229 Blue Bell Hill heading south towards Maidstone. Follow the A229 to the M20 junction 6 and take the third exit at the roundabout …