A motorcyclist remains in hospital in a "serious condition" following a crash in Hounslow.
The 25-year-old man was injured in a collision in Hanworth Road on Wednesday (April 29) just after 11pm.
He was taken to a central London hospital where police said the following morning he remained in a life-threatening condition.
A police spokeswoman said on Friday (May 1) afternoon that the man was still in hospital and was now in a "serious condition".
She added that nobody had been arrested in connection with the crash.
Detectives based in Merton have appealed for any witnesses to the collision to call the Serious Collision Investigation Unit on 020 8543 5157.