A property in Ballyshannon was raided by gardaí on Sunday as part of a major investigation into drug trafficking.
The search took place after cocaine and cannabis with an estimated street value of over €900,000 was seized in an earlier raid in Louth.
The intelligence led operation associated with the Joint Agency Task Force (JATF) carried out follow-up searches in both Ballyshannon and Leixlip, Co Kildare. A vacuum packing machine and €8,000 in cash was seized in the raids.
The cross-county operation began at 1am on Sunday, when personnel attached to the Garda National Drugs and Organised Crime Bureau (GNDOCB) intercepted two vehicles simultaneously while travelling in the vicinity of Ardee.
Cocaine and Cannabis with an estimated street value in excess of €900,000 (analysis pending) was seized along with an animal transporter truck and a high powered car.
Two men aged 41 and 33 and one woman aged 33 years were arrested and are currently detained for questioning at Dundalk and Ashbourne Garda Stations under Section 2 of the Criminal Justice (Drug Trafficking) Act, 1996. They can be held for up to seven days.