Gardai last night arrested a man in connection with the killing of Mr Declan Gavin in Crumlin on August 25th.
The 25-year-old was arrested under Section Four of the Criminal Justice Act and held in Sundrive Road garda station.
Mr Gavin (20), from Mourne Road, Drimnagh and described as a drug dealer by gardai, was fatally stabbed at a bus-stop near Crumlin Shopping Centre.