One man is in custody after almost fifty thousand euro worth of drugs were seized in Roscrea.
The discovery was made during the planned search of a house in the town by divisional drugs units and the crime office last night.
Over fifty thousand euro worth of cannibas in cultivation was discovered during the operation.
A man has been arrested and iscurrently being questioned at Nenagh Garda station.
Detective Inspector Seamus Maher says the discovery was the result of a number of searches conducted under Operation Thor