Gardaí in Dublin and Revenue Officers have seized around €100,000 worth of drugs.
Officers searched two flats in the Dublin 8 area yesterday and arrested a man after cocaine, methamphetamine and GHB (Gamma-hydroxybutyrate) worth around €60,000 was found.
The man, aged in 40s, was arrested and is being questioned at Store Street Garda Station.
Officers who had seized a mobile phone during the search alerted gardaí to a package that was due to be delivered to Ireland from the UK today.
Revenue Officers were told and they intercepted a package containing €40,000 of methamphetamine.
Investigations are continuing.