Update at 12.55pm: Traffic is flowing again on the A120

UP TO 20 vehicles have been involved in a crash on the A120 at Elmstead.

Lane two past the scene was reported to have been reopened while lane one remains closed at the junction of the A133 Colchester Road, before the Clacton turn off.

One person has suffered a minor injury and a number of cars have been damaged, according to Essex police.

READ MORE: -8°C and 'persistent and heavy snow' - what to expect in the coming days 

The force tweeted that the road may need to be closed for recovery.

Drivers are being warned to avoid the road if they can or to expect delays as traffic queues back towards the A12 at the Ardleigh Crown Interchange.

READ MORE: School closures, plummeting temperatures and everything you need to know about the Beast of the East 

Traffic is being diverted from the A120 through Frating Green to Elmstead Market.

Essex Highways is not responsible for the A120.

Highways England has been approached for comment on whether the road was gritted this morning.