Heroin and cocaine with an estimated street value of half a million euro has been seized during a raid on a house in west Dublin.
A 24-year-old man was arrested at the scene in Clondalkin and is being questioned about drug trafficking.
Investigating gardai said they recovered 3kg of heroin and 1kg of cocaine during the planned search on Tuesday evening.
The raid was part of an operation targeting west Dublin drug trafficking gangs, they said.
Other material, including what is believed to be a mixing agent, was also recovered.
The man arrested at the house is being held at Ronanstown Garda Station under Section 2 of the Criminal Justice (Drug Trafficking) Act 1996.