Update - Although a second accident occurred in the queue caused by this accident, both have now been cleared. 

A LANE has been closed on a major road following a reported accident.

Traffic on the A12 Northbound is said to be moving slowly.

As a result, a lane between J23 (Kelvedon SB/1024) and J24 (Kelvedon NB/1024) has been closed.

Essex Police and Essex Highways have been contacted for comment.