Two people arrested after gardaí seized a handgun during a search of a vehicle in north Dublin gave been released without charge.
A file is being prepared for the director of public prosecutions.
The firearm, a 3.65 calibre weapon was seized after a car was stopped and searched on the M1 at Lusk, Co Dublin on Thursday night as part of an operation targeting organised crime in the Louth Garda division.
The occupants of the car, a man in his 50s and a woman in her 30s, were arrested and detained under Section 30 of the Offences Against the State Act at Drogheda Garda station.