Gardaí seized €700,000 worth of cannabis herb and plants during a raid on a grow house operation on Tuesday in Roscommon.
At approximately 3:30pm, Gardaí attached to the Mayo Roscommon Longford Divisional Drugs Unit conducted a search operation at a property in Loughglynn.
The search was conducted as part of an ongoing investigation, under Operation Tara, targeting suspected cannabis growhouses.
During the course of the search a large-scale cannabis cultivation operation was discovered.
Cannabis plants and cannabis herb with an estimated street value of €700,000 were seized by investigating Gardaí.
All drugs are now subject to analysis by Forensic Science Ireland (FSI).
Three men (aged in their 30s) were arrested at the scene and are currently detained under Section 2 of the Criminal Justice (Drug Trafficking) Act, 1996, at Garda stations in County Roscommon.
