Footage sought after collision leaves one seriously injured near Chelmsford
Police say a vehicle that was involved failed to stop at the scene.
Police are appealing for information following a collision on the A12 near Chelmsford which left one person with serious injuries.
It took place between the junctions for Galleywood and Howe Green at around 8pm on Monday 18 March and involved a vehicle leaving a layby and two vehicles on the road itself.
The vehicle which emerged from the layby did not stop at the scene and the driver of one of the other vehicles sustained serious injuries.
If you have any information, CCTV, dash cam or other footage in relation to this incident, you can contact officers on 101 and quote incident 1203 of 18 March.
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.