Officers investigating a fatal collision in Harrow are appealing for witnesses.
Police were called by the London Ambulance Service at about 5.30pm on Friday, June 9, to reports of a collision involving a car and a motorbike on Sudbury Court Drive in Harrow.
Despite the efforts of emergency services, the 18-year-old rider died at the scene.
His family have been informed and are being supported by specialist officers.
The driver of the car stopped at the scene. There has been no arrest.
Anyone who witnessed the collision or who has dash cam footage is asked to contact police on 101, quoting CAD6198/09JUN.