A section of the M25 has been closed after a lorry overturned in the middle of the road, injuring four people.Britain's busiest motorway has been hit with long tailbacks following the incident on a stretch of the road in Hertfordshire, which has left one man fighting for life in hospital.The stretch of road shut is the M25 between junction 23 at South Mimms and junction 25 at the junction with the A10 north of Enfield. Crash: A lorry has overturned in the middle of the M25 in Hertfordshire, injuring four peopleIt is expected to remain closed throughout the Friday evening rush hour, raising the possibility of chaos on the roads around London.Police, firefighters and ambulance teams all attended today's incident which was between junction 24 at Potters Bar and junction 25.Four men...
