Gardaí seek assistance in tracing missing teen

Gardaí at Clondalkin, Dublin are seeking the public’s assistance in tracing the whereabouts of 16 year old Mark O’ Brien who has been missing since the 14th of August 2012.
Mark was last seen on Cherry Orchard Avenue, Ballyfermot. He is described as being 5’ 4” in height, approximately seven stone with black hair. When last seen Mark was wearing grey tracksuit bottoms, grey shoes with red on the soles and a grey t-shirt.