South Mimms exit off the M25. Picture: Google. (Image: Archant)
The M25 is blocked between Junction 23 for South Mimms and Junction 24 for Potters Bar.
Lane 4 is disrupted following a road accident.
Traffic officers are at the scene.
Comments: Our rules
We want our comments to be a lively and valuable part of our community - a place where readers can debate and engage with the most important local issues. The ability to comment on our stories is a privilege, not a right, however, and that privilege may be withdrawn if it is abused or misused.
Please report any comments that break our rules.
Read the rules here