A man and a woman were arrested as police found hundreds of plants in remote rural cannabis farms.
Officers stormed buildings at Parson Drove and Wisbech St Mary, near Wisbech, yesterday afternoon.
They found two sophisticated set-ups, using lights, foil lining and extractors to provide optimum growing conditions.
Some 302 plants were seized. A 60-year-old man and 59-year-old woman were arrested.
Both have now been released under investigation.
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