Police are looking to identify a woman in connection with an arson attack earlier this month.
Croydon police have released a picture of the woman who they want identify regarding an arson at an address in Grove Road, Thornton Heath on Sunday 11 November.
Police and fire investigators believe that the fire was started deliberately and officers from Croydon CID are investigating the incident.
Police were called at around 22.20pm to reports of a fire at the address in Grove Road.
London Ambulance Service and London Fire Brigade also attended. A woman in her 40s and three children suffered smoke inhalation and were taken to hospital but later discharged.
Det Con Eric Somerville, who is investigating the case said: "We're very keen to identify who this person is so that we can progress with our enquiries.
“The fire could have had devastating effects so we would urge anyone with information to contact us immediately."
Anyone who may recognise the person should contact Crimestoppers, which is completely anonymous on 0800 555 111, quoting the reference number 110020.