A woman has been arrested following a serious crash involving five vehicles on the M1 near Watford.
The incident happened at around 4:40pm on Friday, 2 May, on the southbound carriageway near junction five.
Five people were injured in the collision, including two who suffered serious injuries.
The crash involved a white Ford Fiesta, a skip loader, a blue Mini Cooper, a black Ford Focus, and a black Volvo XC90.
Police have confirmed that a woman has been arrested on suspicion of causing serious injury by dangerous driving.
Officers from the Bedfordshire, Cambridgeshire and Hertfordshire Road Policing Unit are now appealing for witnesses, information, and any dash cam footage that could help their investigation.
Sergeant David McIlwhan said: “The road was busy at the time and I would appeal to anyone who saw what happened to please make contact.
“If you have dash cam footage that you believe could be helpful to our investigation, please upload this at: herts.police.uk/dashcamupload. You can 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 542 of 2 May.”

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