- 11 updates
3 people have been injured and the M25 closed for most of the day, after a lorry over turned on the motorway.
The accident happened this morning between junctions 24 and 25 near Potters Bar. It seems the lorry crashed into the central reservation where the men were working.
2 of those injured are seriously ill, the driver has been arrested. Tonight there are still severe delays on the motorway. Richard Pallot reports.
Severe delays and road closed due to recovery work and serious acciden on the M25 anticlockwise between J25 and J24, congestion to J26 (Waltham Abbey). Tailbacks for four miles.
Clockwise is now partly open, but anticlockwise is expected to remain closed until 20:00. Delays of around two hours approaching the closure at J25.
DIVERSION: Via the A10, A406 North Circular Road and A1, following the hollow square symbol.
Police have arrested a man on suspicion of causing serious injury by dangerous driving after a lorry overturned on the M25 this morning.
Four people were injured - two seriously. Three of them were road workers who were on the motorway at the time.
Severe delays and two lanes closed due to accident investigation work on M25 clockwise between J23 (St Albans Road) and J24 (Potters Bar).
Lanes two and three (of three) remain closed.
The Highways Agency says the closed section of the 25 is likely to stay shut for most of the day. Motorists are being asked to consider alternative routes.
M25 both ways closed, severe delays due to overturned lorry between J23 (St Albans Road) and J25 (Enfield), congestion on Clockwise to J22 A1081 (St Albans / London Colney) and on Anticlockwise to J27 M11.
The emergency services are still on the scene and the two air ambulances have left.
DIVERSION: clockwise follow the 'Hollow Triangle symbol' , anticlockwise the Hollow Square Symbol- via the A1, A406, and A10
Latest ITV News reports
A section of Britain's busiest motorway has had to be closed for the second time in three days - again due to a serious accident.