Police are appealing for dash cam, witnesses and information following a serious road traffic collision on the A1M.

At around 4pm on Tuesday 3 June, a black DS 4 and a grey Toyota Yaris were involved in a collision on the northbound carriageway near junction 9 for Letchworth. 

One child, who was a passenger in the DS 4, sustained serious injuries and was taken to hospital. Two further occupants of the vehicle, along with the driver of the Toyota, sustained minor injuries.

Sergeant Luke Morley, from the Bedfordshire, Cambridgeshire and Hertfordshire Road Policing Unit, said: "Our enquiries are continuing, and I am urging anyone with information to please come forward.

"Did you witness what happened, or have any further information to assist the investigation? If you have dash cam footage in relation to the collision, please upload this at: herts.police.uk/dashcamupload.

"Finally, I would like to thank members of the public that stopped and provided first aid until emergency services arrived, and for their co-operation while road closures were in place."

You can also report information online at herts.police.uk/report, speak to an operator in our Force Communications Room via our online web chat at herts.police.uk/contact or call the non-emergency number 101, quoting ISR 411 of 3 June, 2025.