A fatal crash on a carriageway has prompted a police appeal for witnesses.

The crash occurred just before 11am on April 14 at George V Avenue in Pinner, Harrow, involving a black Smart car and a pedestrian on the northbound carriageway.

Police and London Ambulance Service crews attended and took a 66-year-old man to a north London hospital.

He remained in critical condition there until he sadly died on June 1, police said.

The driver of the Smart car, a 48-year-old man, was interviewed under caution.

Enquiries are ongoing and the 66-year-old's family is aware and continue to be supported by officers.

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Detective Sergeant Rebecca Collens said: "I know that some time has passed since this collision, but it is my feeling that if you witnessed it, you would certainly remember it.

"I am very keen to hear from anyone who has information that could assist my investigation – no matter how insignificant it may seem.

"If you saw this collision or have footage please don’t hesitate to reach out."

Anyone who witnessed this incident or has footage should call police on the witness appeal line 020 8246 9820.

You can also call 101 or ‘X’ @MetCC quoting 2425/14APR.