Three illegal immigrants are among four people arrested during a raid on a home in Riverwood yesterday.
Shortly before 1pm, police executed a search warrant at the house in Talbot Street.
During the search, officers uncovered a sophisticated hydroponic setup being used for the enhanced cultivation of cannabis.
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More than 120 plants, with an estimated potential value of $248,000, were seized by police.
Four men were arrested at the house and taken to St George Police Station where a 34-year-old local man was charged with cultivate prohibited plant.
Three other men, 21, 24 and 25 years old were detained as suspected illegal immigrants.
Inquiries into the incident continue.