Gardai are appealing for social media sharing of 15-yr-old Nathan Kelly, who has been missing from Dublin 1 since Friday 24 November.
Nathan was last seen on Temple Street, Dublin, at 4:30pm on 24 November.
He is described as 5ft 6″, slim build with short brown hair and blue eyes.
When Nathan was last seen, he was wearing a black track-suit top, grey Adidas track-suit bottoms and white runners.
Anyone with information is asked to contact Mountjoy Garda Station on 01-66-68-600, the Garda Confidential Line on 1800 66-61-11 or any garda station.