Gardaí in Dublin are seeking the help of the public in tracing the whereabouts of a missing teenager.

Stephen Sweetman (18) was last seen in Clonard, Balbriggan at around 4pm on Wednesday.

He is described as being 6'2" tall, of athletic build, with short brown hair and brown eyes.

When last seen he was wearing a bright blue 'Canterbury' hooded sweatshirt, navy 'Canterbury' tracksuit bottoms, and brand new white trainers with fluorescent yellow markings.

Anyone who has seen Stephen or who can help in locating him is asked to contact Balbriggan garda station on 01-8020510, the Garda Confidential Telephone Line at 1800-666-111 or any garda station.