Two men have been arrested in Co Westmeath following the discovery of cannabis plants worth an estimated €500,000.
Gardaí investigating the cultivation of drugs in the midland region made the discovery when they raided an industrial unit on the outskirts of Mullingar yesterday.
The search uncovered "a grow house" operation, a Garda spokesman said.
Two men, aged 37 and 42 years, were arrested at the scene and are being detained at Mullingar Garda station under Section 4 of the Criminal Justice Act 1984.