Police are searching for teenager Lola Dudderidge, who is missing from Worthing.
The 13-year-old is vulnerable and officers are concerned for her safety.
Lola is described as white, of slim build, with long brown hair in a ponytail, and wears glasses. She was last seen wearing a dark coloured Tshirt with a print on it and a black hoody.
Anyone who sees her or knows where she could be is asked to dial 999, quoting serial 1261 of 14/07.