More than €81,000 worth of drugs were seized.
Gardai investigating drug gangs in Ballyfermot stopped a van on Ushers Quay at around 11.30pm last night.
They found more than €15,000 worth of cocaine, €17,000 worth of crack cocaine and €2,700 worth of prescription medicines.
A man in his 30s was arrested at the scene.
Gardai then carried out a follow up search in a vehicle at a nearby housing complex.
There, they uncovered more than €39,000 worth of diamorphine and over €7,000 worth of Zopiclone tablets.
All drugs will now be sent for analysis.
The man accused has been taken to Clondalkin Garda Station and investigations are ongoing.
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