A man has escaped a secure mental health facility in west London.
Terrence Mayes, 41, absconded the facility in Southall on September 22.
He had been detained under the Mental Health Act, according to the Metropolitan Police.
Despite an investigation, officers have been unable to locate him.
The force said he has links to Wembley, and it is thought likely that he will be in the west London or north-west London areas.