More than 1,700 cannabis plants have been seized from three Glen Innes properties, following a covert, two-day operation.
The raids were conducted by the New England Local Area Command in association with the State Drug Squad, Aviation Support Branch and Dog Squad.
Police located 644 plants at a Wytaliba property on the Old Grafton Road and were granted warrants to search two surrounding properties.
The plants have an estimated street value of $3.5-million.
Police are yet to lay charges.
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