Gardaí arrested two men, aged 33 and 20, and seized a firearm at around midday today in Finglas, North Dublin.
According to a statement released by police, a vehicle was abandoned on the N2 underpass at the M50 junction heading towards the city centre.
In a related search the two men were arrested a short distance from the car, and a gun was recovered.
Both were arrested at the scene and taken to Finglas Garda station where they are now detained under Section 30 Offences Against the State Act, 1939/98.
Gardaí are now appealing to anyone who may have seen a black Volkswagen Golf abandoned on the underpass on the N2 to come forward.
Road users who were travelling along the road towards city centre between 11.45am this morning and 12.15pm this afternoon are asked to make available any dashcam footage they may have.
Anyone with any information can contact the Garda Confidential Line on 1800 666 111, or any Garda station.
Investigations ongoing.
