THE East of England Ambulance Service has said it remains at the scene following a serious crash on the A12.
A spokesman said the service was called to the crash at 9.39am on the A12 near Rivenhall End.
Two resources from Essex and Herts Air Ambulance, the Hazardous Area Response Team, two ambulances and a rapid response vehicle were sent to the scene.
A number of crews remain on site.
No update has yet been provided on those involved in the crash.
The Colchester-bound carriageway remains closed, with the London-bound side now open.
Long delays remain in the area.
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