The public are being asked to help trace a 47-year-old man who has been missing since Thursday.
Gerry McCann was last seen in Stillorgan in south Dublin on 26 September at around 10am.
It is believed he then went to the Ballsbridge area of the city.
Mr McCann is described as approximately 1.75m (5' 9") tall, of medium build, with blond/greyish hair.
When last seen he was wearing a charcoal-grey jumper, brown trousers and brown shoes.
Anyone with information is asked to contact Blackrock gardaí at 01-6665200, the Garda Confidential Line 1800 666 111 or any garda station.