MAJOR delays face motorists on the A120 after reports of a car on its roof.

The crash on the westbound carriageway is understood to have happened near Elmstead this afternoon.

Traffic is building heavily back to the junction with the A133.

Reports online say that a car has crashed and flipped onto its roof in the road.

It is not known if anyone has been seriously injured.

Motorists are advised to avoid the area or allow extra time for travelling.

Essex Police and the East of England Ambulance Service have been contacted for comment.