Police are concerned for the welfare of Keziah Pateman, who has gone missing in Brighton.
The 13-year-old was last seen in Churchill Square shopping centre at about 2.52pm on Saturday (14 May).
Officers are concerned as she is not believed to have access to the internet or a mobile phone and is not thought to be in possession of any money. However, it is thought that she may be in the company of an adult female.
Keziah is black, about 5ft 5in, with very long afro-style black hair. She was last seen wearing a white top with a bright pink hoody, blue jeans and white trainers.
It is believed she may be in Brighton or in the Brixton area of London.
Anyone who has any information on her whereabouts is asked to contact 101@sussex.pnn.police.uk or call 101.