Update September 13: Daud Hassan has been found safe and well.
Gardaí are seeking the public's assistance in finding a missing teenager in Dublin city.
13-year-old Daud Hassan, who is of Somalian background, was last seen close to the GPO at approximately 11.35am today.
He is described as being 5 foot 5 inches, of medium build with black/brown hair.
He was wearing a full length white tunic, blue jeans and a red sash around his shoulder.
Daud does not speak any English and Gardaí and his family are concerned for his welfare.