A Wellington teenager was critically injured when he fell from a moving vehicle while car-surfing.
The male in his late teens fell off the vehicle at the Kaitoke camp ground in Upper Hutt about 7pm on Saturday.
Wellington Free Ambulance team operations manager Helen Berry said the teen suffered serious head injuries.
His condition worsened to critical as he was flown to Wellington Hospital by the Westpac Rescue Helicopter.
The teen was reportedly in a serious condition in an intensive care unit.