Detectives are appealing for witnesses after a man remains in hospital following a serious collision in Hounslow .
Officers are urging people who may have seen or have any information on the incident that can assist police with their enquiries to get in touch.
Police along with the London Ambulance Service attended and found the 46-year-old man injured.
He was taken to hospital where he remains in a life threatening condition.
His next of kin have been informed.
The driver of the van stopped at the scene and is assisting police with their enquiries.
Detectives from the Met’s Roads and Transport Policing Command are investigating.
Anyone with information is asked to contact the witness appeal line on 020 8543 5157.
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