Two crashes are causing heavy delays on the A12 and M25 this morning. 

Traffic on the Brentwood Bypass has slowed down on the London-bound carriageway after an incident at around 5.30am. 

Between Junction 12 and the M25 Junction 28, a partial blockage of the road has been reported. 

Long delays are also expected following a crash on the M25 anticlockwise starting from Junction 29. 

Congestion has been reported in the area, starting a couple of miles before the junction. 

The traffic was reported at 5.15am this morning following an accident at the roundabout at Junction 28.