Police are looking for a 46-year-old schizophrenic man who became separated from his carers in Lewisham.
It is believed William Warne went missing at 8.15am this morning.
A police statement read: "He withdrew cash prior to leaving his escort and it is believed that he may have travelled to Camden.
"William is a white man with shoulder length brown hair. He has a tattoo on his hand and when last seen was wearing a black jacket, black hooded top, black trousers and black trainers.
"He suffers with schizophrenia and can be aggressive.
"Anyone who sees William or knows where he is should not approach him, but call 999 immediately."
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