CCTV footage from cameras linked to the RAF Club in Piccadilly opposite the Bomber Command memorial shows a man approaching it between 3.10am and 3.20am on Monday.
The new images released shows a man suspected of being responsible for the graffiti-desecration of the £7.5 million Bomber Command memorial.
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Some of London's biggest film stars will be hoping to come away a winner at tonight's BAFTAs.
Police are appealing for help to find an 81-year-old man with Alzheimer's who has gone missing from Hainault.
Streets around Trafalgar Square are packed for today's Chinese New Year celebrations.