Concerns are growing for a missing Oxford woman who was last seen in London five days ago.

Penny was last seen on Saturday (October 7) and is described by police as "vulnerable".

Police have released an image of Penny and are urging anyone with information to come forward.

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A Thames Valley Police social media post said: "Penny is a vulnerable adult who is missing from the Oxford area although she was last seen in London on Saturday (October 7).

"If you see Penny or have any information regarding this missing episode please call Thames Valley Police on 101 and quote reference 4320453592."