An 11-year-old boy was airlifted to hospital after colliding with a car while on a bike.
A doctor and a paramedic were flown to the scene where the boy was treated for serious head injuries.
He was airlifted to the Royal Victoria Infirmary in Newcastle, where his condition on arrival was critical.
A 49-year-old man has been arrested in connection with the incident.
More top news
A mostly cloudy start to Sunday thanks to the position of a cold front which is pushing westwards. Good sunny spells further north though
Emma Jesson brings you Saturday night's forecast
Some good spells of sunshine developing at the coast throughout the remainder of Saturday afternoon. Fresh winds at the coast also