Motorists are facing lengthy delays on the Dartford Crossing following a crash involving two vehicles.
Three lanes have been closed on the M25 clockwise from Junction 1b (Dartford) to Junction 2 (A2/Darenth Interchange).
Lengthy delays are forming on the Dartford bridge after accident involving two lorries.. Picture: Highways England
Two fire engines attended, and crews helped to make the scene safe.
Police have been approached for more information.
Shortly after 8am National Highways was reporting delays in excess of 50 minutes on the approach.
Congestion is spreading back over the bridge on the Essex-side back past junction 29 for Romford.
Traffic monitoring tool Inrix reports the collision involved two lorries.
Elsewhere, there were problems on the road in Swanscombe this morning after a collision involving two cars.
Police were called at around 8.30am to the crash on Manor Way.
Officers are in attendance while the vehicles are recovered. No injuries have been reported from that incident.
