They are concerned for his welfare.
Gardaí are seeking the public's assistance in locating a missing 16-year-old boy.
Luke Donohue was last seen in the Lourdes Road, Dublin 8 area today, Wednesday October 2.
He is described as being 5 foot 7 in height and of slim build. He has brown hair and blue eyes.
Gardaí have said that they are concerned for Luke's welfare.
Anyone who has any information is asked to contact Kevin Street Garda Station on 01 666 9400, or The Garda Confidential Line 1800 666 111, or any Garda Station.
An image of Luke can be found below:
