An air ambulance is treating patients after a multiple stabbing in the Surbiton area tonight.
Police confirmed they were dealing with an incident in the Surbiton area which took place at about 5.45pm.
A spokesman for London Air Ambulance said a crew had been called to a multiple stabbing at about 6pm.
An air ambulance landed in the grounds of Richard Challoner school near the Hogsmill open space between Malden Manor and the Sunray Estate, according to an eye-witness. More details to follow.