116kg of the drug were discovered after a search operation in the county yesterday.
More than €8m worth of cocaine has been discovered in the midlands.
A man in his 30s is being questioned following the seizure, in Laois yesterday afternoon.
116kg of the drug was discovered yesterday as part of Operation Tara, following a search operation at a residential address and lands in Laois.
A number of electronic devices were also seized.
The entire haul has now been forwarded to Forensic Science Ireland for analyses.
It's part of ongoing efforts to target organized crime.
Speaking afterwards, senior Gardai said they are determined to continue dismantling drug trafficking routes into Ireland.
Government Is Determined To Provide Necessary Services - Robert Troy
Westmeath Gardai Seize Marked Gas Oil Across County
Laois Among Worst Hit Counties For Missing And Stolen Cattle
Laois Among Most Expensive Counties For Agricultural Land
Photos: The Greenfields Festival
Midlands Mens Sheds Receiving Funding
Taoiseach: Westmeath Town 'Capable' Of Being First Green City
Plans Set For Major Westmeath Housing Project
Concerns Raised Over Fire Safety In Asylum Accommodation
Midlands TD Urges Review Of Ireland’s Ticket Resale Legislation
Illegal Dumping Of Dead Calves In Westmeath Under Investigation
Midlands MEP Warns Of Loss To Farming Sector
2,400 Motorists Caught Speeding Over Bank Holiday Weekend
Gardaí Release Men Held Over Offaly Fire Bombing
Man Dies In Laois Collision
€114m Westmeath Wastewater Upgrade Complete
Mary O’Rourke Praised As “Hard Working” At Bridge Naming Ceremony
No Mini Budget Planned Despite Pressure Over Fuel And Energy Prices
Africa Day Celebrations Kick Off Across The Midlands
Tánaiste Hails ‘Proof’ Of Help to Buy Scheme Success Across The Midlands