Gardaí in Dublin are seeking the help of the public in tracing the whereabouts of Glen Murphy (20), who is also known as Glen McNally.
Glen - who is from Cappagh Avenue in Finglas - was last seen on Saturday April 12th at around 12:30pm near the Mater Hospital.
He is described as being 6-foot-1, of athletic build with red hair.
When last seen he was wearing a red "Regatta" fleece and navy Adidas bottoms.
Anyone who has seen Glen or who can assist in locating him is asked to contact Finglas garda station on 01-666-7500, the Garda Confidential Telephone Line at 1800-666-111 or any garda station.