Four men aged in their 40s and 50s are due in court later this morning as part of an investigation into money-laundering.
It follows a massive inquiry by the Garda Bureau of Fraud Investigation during which an underground bunker was discovered outside Borris-In-Ossory in Co Laois on May 31, 2010.
Officers uncovered a sophisticated operation to make counterfeit money,
It followed an analysis of increased activity in counterfeiting across Europe.