A 20-year-old woman has suffered "life-changing" injuries after the car she was in overturned in a crash on the M2 today.

The smash happened on the coast-bound carriageway between J3 for Chatham and J4 for Gillingham at about 1.40pm.

The woman, from Camberwell, south London, was a passenger in a silver car that overturned and landed on its roof.

She suffered head and arm injuries that have been described as "life-changing" by police.

The woman was airlifted to a London hospital. The driver of the car was not injured.

Witnesses said at least two other cars were involved. Both sides of the motorway were initially closed to allow the air ambulance to land at the scene - causing queues for several miles.The London-bound carriageway reopened at 3.30pm. The coast-bound side remained closed until 4.15pm.Traffic was being diverted off the motorway at J3 and allowed to re-join at J5. Kent Fire and Rescue Service crews were on the scene to deal with a fuel leak from the car. Police have appealed for witnesses to the crash to phone 01622 798572.