He's been missing since Tuesday.
UPDATE: Jack has been located safely.
Gardaí are renewing an appeal for help in finding a missing midlands teenager.
17-year-old Jack O'Donoghue has been missing from Portlaoise since Tuesday.
He was last seen in Dublin City Centre at around 6pm that evening, and was wearing a grey Northface tracksuit, a black puffer jacket and Nike runners.
He's described as being approximately 5 foot 5 inches in height with a slight build, brown hair and grey eyes.
Jack is known to frequent Dublin city centre.
Anyone with any information on his whereabouts is asked to contact Portlaoise Garda station on 057 867 4100, the Garda Confidential Line on 1800 666 111, or any Garda station.
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