Four men being sought by Gardai after Adrian Donohoe killed in attempted armed robbery of credit union near DundalkIrish police have launched a hunt for the gang responsible for killing a detective during an attempted armed robbery near Dundalk.The Garda detective, who has been named as Adrian Donohoe, was shot dead in a botched hold-up of a credit union near the border with Northern Ireland around 9.30pm on Friday.Garda sources said that after shooting the police officer the raiders seized the stolen money and drove off. Four men, who are believed to have fled the scene in a grey Volkswagen ... Read More