Witnesses who may have seen a serious collison on the M25 on Wednesday evening are being urged to come forward.

Officers from the Beds, Cambs and Herts Road Policing Unit are appealing for witnesses and information following the incident at around 7.20pm when a white Scania lorry that was travelling along the M25 eastbound carriageway between Junctions 21A and 22 when it collided with the roadside barrier and left the carriageway.

The road was closed by police until around 4am on Thursday and the Highways Agency were then on the scene to carry out emergency repair work to the barrier.

PC David Clarke from the Collision Investigation Unit said: “Some witnesses to the incident have already been identified but it is possible there are some people who have yet to speak to us about what they saw.”

Anyone with any information is asked to contact PC Clarke via Herts Police’s non-emergency number 101.