Police say two people have been killed following the crash on the M11 motorway in Essex. The accident involved three cars, a lorry and a horse box shortly before 2.15pm. A man has been arrested on suspicion of causing death by dangerous driving.
Two people in a car have died and the driver and passenger in another car have been taken to hospital in Cambridgeshire.
A woman has serious internal injuries and was flown by air ambulance and a man was taken by ambulance with a head injury.
The carriageway is completely blocked and is impassable. The road will remain closed throughout the afternoon and into the evening. Motorists are advised to avoid the area and find alternate routes.
Firefighters put out a car on fire at the crash scene near Sheering, north east of Harlow
Three people were cut out of cars at the scene of the crash by firefighters
The motorway will reopen as soon as it is safe to do so but the closure is expected to last for several hours, through the evening rush hour and into this evening. Current delays are at least 30 minutes.
Drivers, and in particular those wishing to travel to Stansted Airport are advised to plan their journeys and allow extra time to travel.
We have sent two ambulances, a rapid response vehicle, our hazardous area response team and Hertfordshire Air Ambulance to the scene of a several vehicle collision between junctions nine and eight of the M11 northbound.
Police have closed the motorway in order to allow the air ambulance to land.
Very serious crash on the M11 northbound in Essex between junctions 7 at Harlow and 8 which is the Bishops Stortford and Stansted Airport junction. Road is closed northbound and very slow southbound. Motorist are advised to avoid the area and plan alternate routes.