A 15-year-old Richard Challoner student has gone missing after leaving school, with police 'worried' for his safety.

Josh Cullen, was last seen leaving the school, in Manor Drive North, at about 3.30pm yesterday.

He was wearing his uniform and possibly a black rucksack, police said.

Josh is described 5ft 3in tall and having mousey brown hair and looks younger than he actually is.

Police are "worried" for his safety.

Residents should call 999 if seen quoting reference number 17MIS013291.