ESSEX Police are appealing for witnesses or dash cam footage following a collision on the M11 which left a motorbike rider with serious injuries.

It was reported the rider came off his black motorbike near to Junction 7 at Harlow at around 3.30pm on Sunday (24 July).

The rider has sustained injuries described as potentially life-changing.

We need anyone saw what led up to the incident and any interactions with other vehicles to come forward.

If you have any information or dash cam footage in relation to this incident, then please get in contact with us.

Please quote incident 859 of 24 July.

You can let us know by submitting a report on our website or by using our online Live Chat service available Monday to Friday (excluding public holidays) between 10am-9pm.

Visit www.essex.police.uk/digital101 to find out more about our website reporting services.

Alternatively you can call us on 101.

In an emergency always call 999.

If you would like to make an anonymous report you can contact independent charity Crimestoppers, by visiting their website or by calling 0800 555 111.