Four people arrested in connection with the 2.8 million euro cocaine seizure in the west of the city have been charged.
A drug mixing factory was raided by gardaí in the Long Mile Road area on Tuesday.
The three men and one woman, are due to appear before the Criminal Courts of Justice this morning.
Two men have been released without charge while two other men were also released yesterday.
On Tuesday morning gardai moved in on two vehicles in Ballyfermot and Blanchardstown.
A planned search was also carried out at a business premises in the Long Mile Road area which appeared had been used as a drugs mixing factory.
During the course of the operation, 40 kilos of cocaine worth around 2.8 million euro was seized. 2000 canisters of nitric oxide, a hydraulic drugs press, mixing agents, 78 thousand euro in cash and communication devices were also seized.
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