The search is on to find a missing Westminster police officer who has not been seen since Friday (April 1).
Gordon Semple was reported missing by his partner after he never returned home from work.
He was last seen around 3pm in the area around The Shard and Southwark Street in the London Bridge area.
The 59-year-old man is a serving police constable in Westminster, working in the antisocial behaviour team within Westminster City council.
His disappearance is not believed to be linked to his employment, the Metropolitan Police said.
Gordon is described as a white man, 5ft 10ins tall, of medium build with shaved head.
It is believed he was last seen wearing brown shoes, dark trousers and a lilac shirt.
Other police appeals for missing people in west London include 64-year-old Joao Nobrega who failed to return from his Sunday walk ; a missing teenage boy, Warfa Olad, from Ealing who has not been seen since March 26 ; and missing teenager Daria Pietrzak, 15, also from Ealing.
Officers urge anyone with information on Gordon's whereabouts to call police in Westminster via 101 or Missing People on 116000 quoting ref 16MIS013292.