Police in Harrow are searching for a woman deemed to be at "high risk" and have issued a plea for the public's help.
Christine Keeler, aged 66, was last seen in Stanmore at around 2pm on Monday (October 2).
Harrow Police issued an appeal alongside a CCTV image, describing Ms Keeler as a "high risk missing person" in a bid to find her.
The National Police Air Service tweeted in the early hours of Tuesday that they had carried out helicopter searches for five different missing people, including in Harrow.
If you see Ms Keeler, Harrow Police ask that you call 101 and report the sighting.
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