A spokesperson for Sussex Police said: “Have you seen Myles who has been reported missing from Brighton?
"We are searching for the 15-year-old, who was last seen around 1pm on Friday (6 February).
“Myles is 5', with dark brown hair that is short on the sides and long on top. He was last seen wearing a black North Face gilet with sleeves, black joggers and trainers, and he possibly has a camo bag with him.
"As well as Brighton and Hove, he has links to London, Hampshire, Bristol, Oxford, and the Cotswolds.
"Anyone who sees Myles, or knows his whereabouts, is asked to report it by calling 101 and quote serial 85 of 07/02.”