Three men in their 30s and 40s and a woman in her 20s were arrested at the scene
€7 million worth of cannabis has been seized in Athy.
The drugs were discovered at a property in the area as gardaí carried out a number of searches in the county yesterday.
Three men in their 30s and 40s and a woman in her 20s were arrested at the scene.
They are being held at garda stations in the Eastern region.
An incident room has been set up at Carlow Garda Station.
Investigations are ongoing.

Newbridge Playground To Receive Funding For Upgrade And Refurbishment Works
Naas Garage Wins Best Electric Vehicle Dealership
Maxol Launch Food Delivery Service For Newbridge Store
Calls For Council To Undertake Audit Of Vacant Premises' In Athy And Castledermot
Works Underway To Restore Water Supply To Castledermot, Moone And Surrounding Areas
Daniel And Majella O'Donnell Visiting Newbridge Silverware
Straffan Couple Win Home Of The Year
Broadcast Levy To Increase Costs For Small Radio Stations By Over €14,000 Per Year