WITNESSES are being sought after a teenage cyclist was seriously injured in a road crash in Ruislip.

Police were called at 4.05pm on Wednesday to reports of a collision involving a cyclist and a van in The Fairway, at the junction with Brackenbridge Drive.

The cyclist, a 16-year-old boy, was struck by a white VW Crafter van.

The boy was taken to hospital, where he is in a critical condition.

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The driver of the van stopped at the scene, but there have been no arrests.

Det Sgt Cheryl Frost said: "I am appealing to anyone who witnessed this collision or the events leading up to it to contact police.

"We have established the victim had ridden his bike into The Fairway from Brackenbridge Drive when it occurred.

"If you saw anything that could assist, please get in touch." The number to call is 0208 991 9555.