POLICE are appealing for witnesses to a road traffic crash outside Northolt Underground Station in the early hours of Saturday.

They were called to Mandeville Road at 12.21am after a pedestrian was struck by a silver Vauxhall Astra.

The pedestrian sustained life-threatening injuries and is currently in a critical condition in hospital.

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A 23-year-old man was arrested for dangerous driving and failing to stop at the scene. He has been released pending further enquiries.

Det Sgt Ben Massink said: “CCTV footage shows there were a number of people and vehicles in the area at the time and I would like them to come forward.”

Witnesses can call 0208 2469820 or give information anonymously to Crimestoppers on 0800 555 111.