Two people sustained life-changing injuries in a horrific M25 smash that left nine injured, police have revealed.

Police were called to the two-vehicle crash at 5.05am on Saturday between junction 22 and 21 near London Colney and St Albans on the anti-clockwise carriageway of the M25.

At the scene the emergency services found three people who had sustained serious injuries, two of them life-changing, and six people suffering slight injuries.

Officers are appealing for information, witnesses and dash cam following the "serious collision" involving a black Ford C-Max and a Ford Transit minibus

PC Peter Liva, from the Bedfordshire, Cambridgeshire and Hertfordshire Road Policing Unit, said: “I am appealing for any witnesses or anyone with information to get in touch. Did you see what happened? Or did you see the events leading up to the collision? Please get in touch if you can help by emailing me at peter.liva@herts.police.uk

“I would also like to hear from anybody who captured what happened on dash cam. If you were driving in the area with a dash cam fitted, please check it and get in contact if you spot anything that might help us. Dash cam footage can be uploaded to https://upload.5fdams.aetopia.net?ref=CITIN1.”

You can also report information online at herts.police.uk/report, speak to an operator in the Force Communications Room via the online web chat at herts.police.uk/contact or call the non-emergency number 101 quoting ISR 113 of 9 March.

Alternatively, you can stay 100 per cent anonymous by contacting the independent charity Crimestoppers on 0800 555 111 or via their untraceable online form at crimestoppers-uk.org.