A man being questioned in relation to the discovery of a major cannabis find in Cork city on Sunday has been released without charge.
The man was found in possession of a small amount of cannabis in a car on Blarney Road on Sunday night.
Gardaí subsequently uncovered a cannabis factory, thought to be the biggest in the State, during a raid on a premises in the Holyhill area.
Some 1,200 cannabis plants worth an estimated €360,000 were seized by gardaí during the raid.
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The elaborate production plant is said to have cost around half a million euro to set up.
A file is to be sent to the Director of Public Prosecutions.