A public appeal to find Clara Pudman was launched online on Thursday morning (December 1) just after 8am.
The Hammersmith and Fulham police Twitter account shared a photograph of Clara and urged anyone who has seen her to call police.
It is believed she may be in Shepherd's Bush.
An 84-year-old man suffering from dementia was reported missing from Hayes recently , but was found safe and well just a few hours later.
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