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Traffic is starting to move on the M26 after a car flipped and caused a 10 miles of queues.
Both lanes of the M26 were closed earlier between the M25 exit and junction 2a for the for the A20 London Road near Wrotham.
The westbound carriageway has now reopened, after it was closed to allow the air ambulance to land.
One lane has reopened on the eastbound carriageway.
Two people have been rushed to hospital following the crash.
A Kent Police spokesperson said: "We were called at 1.49pm on Thursday, April 25 regarding a collision involving two cars on the eastbound carriageway of the M26 between junctions 1 and 2A.
"Fire crews are also in attendance to free a person who is trapped in one of the cars.
"Drivers may wish to consider alternative routes."
The injuries are not believed to be serious.
A Kent Fire and Rescue Service spokesperson added: "We are responding to a crash involving two cars between junction 1 and junction 2A (Kent bound) on the M26.
"There are three fire engines on the scene and crews are using hydraulic rescue equipment to free one person trapped inside a vehicle.
"Another person is in the care of SECAmb paramedics.
"The road is currently closed whilst emergency services are on the scene."
Highways officers will remain at the scene until the vehicles have been recovered.
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