Summary:
A 19-year-old man is in a critical condition after being hit by a car on a motorway.

Full article:
By . Leon Watson . A teenager is fighting for his life after being hit while walking on a motorway. Police said a car ploughed into the 19-year-old man on the M23 near Crawley in West Sussex this morning. He has been airlifted to a hospital in London suffering from life-threatening head injuries. A damaged Seat was pictured at the scene, with a dented bonnet and smashed windscreen. Police investigating: A 19-year-old man was hit by a car after walking on the M23 today . The incident caused long tailbacks this afternoon after the north and south carriageways were closed . The incident has caused long tailbacks after both the north and south-bound carriageways were closed at junction 10a. A Sussex Police spokeswoman said: 'Emergency services are currently dealing with a serious road traffic collision on the M23 near Crawley involving a pedestrian who has been in collision with a car at 11.49am on Sunday, February 9. 'Both junctions 10 and 11 in both directions have been closed for the air ambulance to land to take the pedestrian, a 19-year-old man, to hospital in London. 'He has life threatening head injuries. Police are endeavouring to re-open the road as soon as possible. 'There is no other information available at this time.' Surrey Police said the man suffered life-threatening head injuries and has been taken to a hospital in London .