Police are searching for 14-year-old Lewis Gordon who has been reported missing from Hove.
Lewis was last seen by his family at 12.45pm on Wednesday (29 July) when he left home to go and meet friends.
He may have travelled to London.
Lewis is described as 5’8”, of a slim build, short light brown hair and was wearing a navy blue Nike tracksuit and white high top Air Force 1 trainers.
Anyone who sees Lewis or who has information on his whereabouts is asked to report online or call 101, quoting serial 237 of 30/07.