Gardaí discovered almost 1000 cannabis plants with an estimated street value of approximately €400,000 during a planned search of a premises in Swinford, Co Mayo yesterday evening.
The premises had been transformed into a sophisticated cannabis growing factory with the installation of extensive lighting and ventilation systems . The plants discovered were at various stages of growth in a number of different rooms.
A large amount of cultivation equipment was also found.
No arrests have been made and investigations are continuing.