Gardaí at Clondalkin in Dublin are seeking help in tracing the whereabouts of 16-year-old Mark O' Brien who has been missing since Tuesday, August 14th.
Mark was last seen on Cherry Orchard Avenue in Ballyfermot.
He is described as being 163 cm (5 ft 4in) in height and weighs approximately 7 stone. He has black hair. When last seen Mark was wearing grey tracksuit bottoms, grey shoes with red on the soles and a grey t-shirt.
Mark is known to frequent the Dublin city centre area and Connolly Station.
Anyone with information is asked to contact Clondalkin Garda Station on 01-6667600, the Garda Confidential Line 1-800-666-111 or any Garda Station.