A multi-vehicle accident on the M25 Dartford Tunnel anticlockwise is causing significant delays this morning. The incident occurred from Junction 1A (Dartford) to Junction 31 (A1306 Lakeside/Purfleet), with congestion stretching back to Junction 2 (A2 Darenth interchange).
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Two lanes have been closed to traffic, with the left-hand tunnel shut off due to the collision. The right-hand tunnel, which is taller, remains open, although traffic is moving slowly. It is believed that the accident, which took place just after the tunnel exit, may have involved a bus, though confirmation of the second vehicle involved is still pending.
