Concerns are mounting for a 73-year-old man who has been missing for four days.
Gladstone Pusey has not been seen since he left his address in Queens Park, Westminster, shortly after 4pm on Sunday, February 16.
Police enquiries have established he used his Freedom Pass to board a route N98 bus at Meyick Road, Wilsden, at 5:39am on Monday, before alighting outside Church Lane Newsagents in Church Lane on the border of West Hendon and Kingbsury.
Mr Pusey, who has never gone missing before, then walked in the direction of Slough Lane.
He is known to frequent his allotment in Elthorne Road in Brent and the surrounding area but has not been seen here.
Mr Pusey is described as being between 5ft 5ins and 5ft 7ins in height, of medium build and of Jamaican heritage.
Police are asking anyone who sees Gladstone Pusey or knows of his whereabouts to contact Westminster Police on 101, or call Crimestoppers anonymously on 0800 555 111.