Gardai are appealing for help in the search for a 15-year-old missing from Dublin 7.
Patrick O' Brien was last seen on Chancery Street in the early afternoon hours of Tuesday 2 August.
He is known to frequent the Birr area of County Offaly.
Read more: Family 'concerned for wellbeing' of young man missing from Dublin suburb
Patrick is described as being approximately 5 foot 9 inches in height with a slight build, black hair and brown eyes. Gardai and his family are concerned for his welfare.
A garda spokesman said: "Anyone with information on Patrick's whereabouts are asked to contact Bridewell Garda Station on 01 666 8200, the Garda Confidential Line on 1800 666 111, or any Garda Station."
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