Detectives have seized cannabis and cannabis plants valued at almost one million euro during a spate of raids across the country.
As part of ongoing investigations into the sale of supply of controlled drugs in the south of the country, gardai carried out a search of open ground at Ballyhahill, Glin, Co Limerick.
Cannabis believed to worth around 400,000 euro was recovered.
A Garda spokesman said: "No arrests have been made and investigations are continuing."
Separately, a man was arrested after officers from the Divisional Drugs Unit in Wexford raided a house at Ballybeg Great, in Screen.
Cannabis plants in "various stages of maturity" were found. They are estimated to have a street value of 250,000 euro.
A 42-year-old man was detained in connection with the investigation and is being questioned at Enniscorthy Garda station under the Drug Trafficking Act.
In Cavan on Thursday evening, gardai arrested another 42-year-old man during a similar operation.
Officers from the force's local District Crime Unit who swooped on a house at Swellen Park in the town at around 7.45pm discovered cannabis plants with an estimated street value of 250,000 euro.
The man arrested at the scene is being detained at Cavan Garda station, also under the Drug Trafficking Act.