A pedestrian has suffered "life-threatening" injuries after he was struck by three lorries on the M25 during the early hours of this morning.

The collision occurred on the clockwise carriageway, near Junction 22 for London Colney, at around 12.20am.

It was reported that a pedestrian had entered the carriageway and was subsequently struck by three vehicles.

The pedestrian, a man aged in his 50s, sustained life-threatening injuries and remains in hospital at this time.

A spokesperson for East of England Ambulance Service said: "We sent Essex and Herts Air Ambulance, an ambulance, ambulance officer vehicle and a rapid response vehicle.

"A man was taken to St Mary's Hospital by land ambulance for further care."

Following the incident, police are appealing for witnesses, information and dash cam footage to help its investigation.

Sergeant Tim Davies, from the Bedfordshire, Cambridgeshire and Hertfordshire Road Policing Unit, said: “Our enquiries are continuing at this time to establish the circumstances around the collision.

“As part of this, we’re appealing for anyone with information to please come forward. Did you see the collision? Did you see the man in the carriageway prior to it?

“Any information at all could assist us as we progress the investigation. We’d be particularly keen to hear from anyone who captured dash cam footage.”

Anyone with information is asked to please contact Sgt Davies by emailing timothy.davies@herts.police.uk

You can also report information online at herts.police.uk/report, speak to an operator via online web chat at herts.police.uk/contact or call the non-emergency number 101, quoting ISR 10 of 24 October, 2024.

If you have dash cam footage in relation to the collision, police request this is uploaded directly at herts.police.uk/dashcamupload