A 41-year-old cyclist is fighting for life after after a collision in Kingston.
The man was rushed to hospital after the crash, between a van and his bicycle, at around 3.50pm on Tuesday.
Police are now seeking the driver involved in the incident, which occurred on Hardman Road.
A statement from Scotland Yard said: "The driver of the van, a white Fiat Dobio, stopped briefly at the scene and spoke with the injured cyclist before driving off. Police are now appealing for this van driver to come forward and speak with officers."
Further details of the cyclist's injuries were not given, though his condition was described as "life-threatening".
Police are appealing for the van driver to speak with officers.
The Met Police is also appealing for any witnesses to call officers on 020 8543 5157.
