A nine-year-old girl suffered serious head injuries after being hit by a car.
The girl was with two of her friends when the collision involving a Ford Fiesta happened at about 6.45pm yesterday on the junction between Thornaby Road and Laburnum Avenue in Thornaby.
A spokesman for the Great North Air Ambulance Service said: "The girl suffered a serious head injury and was assessed and treated by the GNAAS aircrew before being taken to hospital by road, accompanied by the GNAAS doctor-led trauma team. She arrived at James Cook in a stable condition."
Cleveland Police said officers are investigating the collision and are appealing for witnesses to contact them on the non-emergency number 101.