Three men are accused of producing an estimated £3,600,000 worth of cannabis plants discovered in a police raid.
Officers entered a premises on West Stewart Street in Greenock on Sunday.
Three men were arrested and charged with producing the controlled drug.
Gledian Daci, 25, Aurel Xhoka, 32, and Antonjo Selami, 37, appeared at Greenock Sherriff Court on Monday, January 22.
They entered no plea, were committed for further examination and remanded in custody.
They are due to appear in court again within the next eight days.
Detective inspector Gordon Smith said “This recovery highlights our commitment to tackling serious and organised crime and keeping our communities safe from the harm caused by illegal drugs.
“Support from members of the public is vital as part of our work to bring those responsible for supplying illegal substances to justice.
“Anyone who has information or concerns about the sale and supply of drugs is urged to contact Police Scotland via 101.
“Alternatively calls can be made to Crimestoppers on 0800 555 111 where anonymity can be maintained.”
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