Heroin and cocaine thought to be worth half a million euro has been seized in Blanchardstown.
Officers found the drugs during the search of a house this morning.
The heroin is believed to be worth €435,000, while €54,000 worth of cocaine was found.
A number of shotgun cartridges were also seized.
A man in his twenties has been arrested, and is being held at Blanchardstown Garda Station.