Sligo brothers Callan and Kraig Larkin are still missing, Gardaí have said as they appealed to the public for help.
15-year-old Callan is 6ft3 and described as being of medium build with black hair and blue eyes; 13-year-old Kraig is 5ft7 of slim build with brown hair and blue eyes.
The siblings were last seen in Sligo town on Saturday but Gardaí suspect that they are now in the Ballybrack area of Dublin.
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Anyone with any information that can help the Gardaí are asked to call Sligo Garda station on 071 9157000 or the Garda Confidential Line on 1800 666 111.