Essex police are increasingly concerned for the welfare of a 15-year-old girl who has connections to Milton Keynes.
The last confirmed sighting of Atlanta Butler was on Wednesday 18 August.
Essex police believe she may have travelled outside of the county, to Suffolk, London and Milton Keynes.
Atlanta is about 5ft 1ins and was last known to be wearing a black jacket and light grey trainers.
If you see her or know where she is, please call the police immediately on 101.