Two men in their 40s are due to appear in court in connection with the seizure of €3.9m worth of drugs.
The men will appear before a sitting of Tullamore District Court this morning charged in connection with a Garda investigation into a seizure of cannabis in Co Laois on Wednesday.
The two other men arrested during the operation will appear before a special sitting of Tullamore District Court this afternoon.
A vehicle was stopped by gardaí in the Raheen area of County Laois on Wednesday morning and a substantial quantity of suspected cannabis herb and a large amount of suspected cannabis products were seized by gardaí following a search. All seized items are subject to analysis.
The estimated value of this seizure (pending analysis) is approximately €3.9 million.
Four men, aged in their 30s and 40s, were arrested at the scene.
Investigations are ongoing.