Police are searching for Jude Berry, 15, from Hastings, who has not been seen since Thursday 18 July.
Jude is described as white, 5’7″, of slight build, with short dark hair. It is not known what he wearing when he disappeared.
He has strong links to the Seaford area.
There is increasing concern for him because of his age and vulnerability.
Anyone who has seen Jude or has any other information about where he may be is asked to contact the police on 101 or online quoting serial 23 of 19/07.