It's understood two young brothers missing from Limerick may have been taken to Dublin by their dad.
Gardaí are asking the public to keep an eye out for a black Nissan Primera with the registration number - 05 L 1598.
Officers are asking anyone who thinks they've seen Selim Azad, and his two young sons to contact any garda station.
5 year old Arnel Azad was last seen wearing blue and white pyjama bottoms and a white t-shirt, while his 2 year old brother Ayaan was wearing a bright blue jumper with a circular pattern or crest on front and blue tracksuit bottoms.
Anyone who has seen Arnel and Ayaan or who can assist in locating them is asked to contact Henry street Garda Station on 061-212400, The Garda Confidential Line 1800 666 111 or any Garda Station.