Posters have been distributed across Epping Forest to find a missing woman.
Clare Osbourne, from Camden, was last seen on Monday at 3.30pm at London Bridge station and her last known location is Whipps Cross Hospital in Leytonstone.
Camden Missing Persons said Epping Forest was one of the locations she frequented.
The 36-year-old is 5ft 6ins.
At the time she was last seen, she was wearing a zipped hoodie, black t-shirt, combat shorts and black converse trainers.
Contact Camden Missing Persons on 0208 7336 468