Gardaí have carried out follow up searches at a site in Omeath, Co Louth.
Further searches were conducted at lands in an area close to Omeath, Co Louth yesterday as part of a follow-up operation a search on February 1 targeting Dissident Republican Groups.
The operation involved gardaí from the Louth Garda Division, Special Detective Unit and from Special Tactics & Operations Command.
During the operation, gardaí recovered a number of explosives, two firearms and a sizable quantity of ammunition of various calibres.
An Explosive Ordinance Disposal unit of the Irish Defence Forces later visited the site and some of the material was later destroyed by a controlled explosion.
Investigations are ongoing.