A vehicle fire in the Holmesdale Tunnel on the M25 in Hertfordshire is causing long delays.
There are queues on the motorway because all traffic is being temporarily held on M25 anticlockwise between junction 26, theA121 for Waltham Abbey and junction 25 the A10 for Enfield.
- Video courtesy of BCH Roads Policing
One lane is closed on the M25 in Hertfordshire after a lorry left the road and caught fire last night.
It happened on Junction 17 at Maple Cross around 7.30pm.
A lane is closed anti-clockwise at Junction 18, while the clean up goes on.
It's expected to remain closed through this morning's rush hour and is causing heavy delays.
Police say no one has been seriously injured.
There are long delays on the M25 in Essex as the Dartford Crossing QE2 Bridge is closed because of a serious crash.
Highways England traffic officers are working alongside Kent Police to clear the incident which happened just after 4am this morning.
Traffic is being diverted by using a contraflow through the Dartford tunnels.
Although two lanes are open in each direction and a contraflow in operation through the tunnels delays in the area are severe and drivers are being urged by Highways England to check conditions before they set out and plan their journeys to avoid the area if possible.
The crossing is expected to remain closed until Friday afternoon.
A lorry fire is causing major hold-ups for commuters in Essex.
Traffic is being held both ways on the M25 between junction 27, for the M11, and junction 28 at Brentwood.
Highways England says a diversion is in place and police and firefighters are on the scene.
Drivers in Essex are being warned that two slip roads linking the M25 and the M11 are still closed following a serious crash overnight.
The slip road from the anti-clockwise M25 to the northbound M11 and from the northbound M11 to the clockwise M25 are both closed after a lorry a lorry struck a bridge and overturned just before midnight on Sunday night.
Drivers approaching the closures are being directed to continue to the next junction, where they can turn around and approach the junction in the other direction.
Essex Police are investigating the incident and there is is debris and diesel to clear from the road. The bridge that was struck will also need to be assessed, and the carriageway may need to be resurfaced due to the diesel spillage.
A man arrested on suspicion of causing death by dangerous driving following a fatal crash on the M25 in Essex on Tuesday 9 December has been transferred into the care of mental health professionals.
The 25-year-old was arrested at Princess Alexandra Hospital where he was being treated for injuries he had sustained during the collision.
He will be interviewed at a later date pending the advice of doctors.
The crash is understood to have involved a lorry crossing the central reservation.
The M25 in Essex is closed in both directions between J23 (A1) - J27 (M11) clockwise, and J27 (M11) - J25 (Cheshunt) anti clockwise. The carriageway may not fully reopen until 3pm.