There are 17-mile queues at the Dartford Crossing after a six-vehicle crash.A crash at Junction 30 of the M25 caused three of four lanes to be closed on the clockwise carriageway and the tunnel to be closed until 4pm.The tunnel has now reopened but queues are stretching back for 17 miles towards Junction 27.A spokesman for Essex Fire and Rescue has said there are no reports of injuries but a person had to be cut out of a car.The accident was caused by a car which hit the central reservation.
