Gardaí in Dublin have recovered 3.9 million euro worth of cannabis.
Large quantities of the drug were discovered during a series of searches in the Dublin 3 and 9 areas on Wednesday and Thursday.
The search of a car in Drumcondra resulted in the seizure of 420-thousand worth of cannabis.
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A 42-year-old man was arrested and is still being questioned at a Dublin Garda Station.
A follow-up search at an industrial premises in Fairview led to the recovery of a further 3.5 million euro worth of the drug. Gardaí say their investigations are ongoing.