Gardaí arrested a man, aged in his 30s, and seized a firearm and ammunition following the search of a house in Crumlin, Dublin 12, on Friday.
The operation, conducted by the Serious Crime Units in Coolock and Sword Garda Station, supported by the Armed Support Unit (ASU), is part of ongoing investigations targeting the activities of organised crime groups.
During the course of the search, a firearm and five rounds of ammunition were seized.
A man, aged in his 30s, was arrested and is currently detained under the provisions of Section 30 of the Offences Against the State Act 1939 at a Garda station in the Dublin Metropolitan Region.
The firearm seized is now subject to technical analysis.
Investigations are ongoing, gardaí said.
