27-year-old Callum Grimes has sadly passed away in hospital, six months after being struck by a vehicle in a hit-and-run incident.
Callum was found unconscious at the side of Loughshinny Road in north county Dublin, in the early hours of December 27.
He had been out socialising and was walking home when tragedy struck.
Anyone with information regarding the incident is asked to contact Balbriggan Garda Station on 01 8020510, The Garda Confidential Line on 1800 666 111, or any Garda station.