Officers from the Bedfordshire, Cambridgeshire and Hertfordshire Road Policing Unit are appealing for witnesses following a collision that happened last night (Thursday, February 2) in Hemel Hempstead.
Shortly after 6pm, a black SEAT Leon collided with a 14-year-old boy crossing the A2451 London Road in Hemel Hempstead.
The female driver has been arrested on suspicion of causing serious injury by dangerous driving.
Road Policing Unit Sergeant Nicholas Kane said: “We are trying to determine exactly what happened this evening and as well as witnesses, we are also keen to hear from anyone with dash cam footage or anyone who saw the incident.
“If you can help, please get in touch straight away by emailing me at firstname.lastname@example.org.”
You can 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 659 of 02 February.
Alternatively, you can stay 100% anonymous by contacting the independent charity Crimestoppers on 0800 555 111 or via their untraceable online form at crimestoppers-uk.org.