There is chaos on the A12 this morning with crashes on both sides of the carriageway. 

The northbound carriageway is blocked by a three vehicle accident between Junction 20, Hatfield Peverel, and Junction 21, Witham South.

Traffic is queuing back toward Junction 19, Boreham.

Another crash is also causing delays on the Londonbound carriageway at the same location. 

Traffic is queuing back past Junction 24, Kelvedon North. 

Delays started at around 7.20am this morning.

Update 8.50am:

Both accidents have been cleared, however there are still long delays on both the Londonbound and northbound carriageways.