An elderly woman has died of her injuries after a hit and run involving a stolen car.
The pensioner was pronounced dead at Hillingdon Hospital on Saturday (1) morning.
She was a passenger in one of the four vehicles in the pile-up in Ruislip Road, Greenford.
A silver Volkswagen Golf, a blue Volkswagen Golf, a silver Vauxhall Corsa and a stolen Silver Toyota MR2 were involved in the accident last Sunday (26) at about 3.45pm.
The Toyota MR2 drove off from the scene, it had been reported stolen four days earlier from Barnes.
There have been no arrests.
Anyone with information should call police on 020 8721 7217 or anonymously contact Crimestoppers on 0800 555 111.