A MAN has been flown to hospital by air ambulance after the quadbike he was driving crashed into a tree.

The driver, in his 20s, hit a tree while riding with a group in Woodridden Hill, Waltham Abbey, at 2pm yesterday (Sunday, May 14).

He was left with life-threatening injuries.

Members of the group left the scene before police arrived.

Police are appealing for the driver of a dark coloured car, which was spotted nearby, to come forward.

Anyone with information is asked to call 101.