Gardai seized a staggering €592k worth of cannabis in a huge haul in Co Roscommon.
The find was made at a residence in the Frenchpark area of the county on Wednesday.
Officers carried out the raid as part of an intelligence-led operation at around 3.30pm.
Gardai from the Roscommon and Longford Divisional Drugs Unit carried out the bust.
During the course of the search officers from a "sophisticated growhouse" with external sheds and a total of 139 cannabis plants.
The plants had an estimated street value of approximately €112,000.
Meanwhile 22.5kg of vacuum packed cannabis herb was also seized in the raid, with an estimated street value of €480,000.
A man in his 20s has been arrested in connection with the incident and is being held at Castlerea Garda Station.
A garda spokesman said: "Gardaí have arrested one man, aged in his 20s, and seized approximately €592,000 worth of suspected cannabis herb during a search operation in Frenchpark, Co. Roscommon today, Wednesday 16th June 2021.
"As part of an intelligence led operation, Gardaí obtained a search warrant for a residence in Frenchpark. The search was conducted at 3.30pm by the Roscommon and Longford Divisional Drugs Unit.
"During the course of the search, a sophisticated growhouse was discovered in the residence and external sheds on the property. A total of 139 cannabis plants of varying maturity were seized, with an estimated street value of €112,000. Approximately 22.5kg of vacuum packed cannabis herb was also seized with an estimated street value of €480,000. All drugs will now be sent for analysis.
"The man, aged in his 20s, is currently detained in Castlerea Garda Station under Section 2 of the Criminal Justice (Drug Trafficking) Act, 1996."