Drugs with a street value of £50,000 were seized during a police raid in Oxford.
A team of officers with a sniffer dog raided a home in the Marston area on Tuesday evening. One man was arrested and later released on police bail after the dog uncovered a substantial quantity of drugs.
A Thames Valley Police spokesman said officers expected to make further arrests.
In another incident, a man and a woman were released on police bail on Tuesday after cannabis plants were discovered during a raid on a house on Oxford's Barton estate. Inquiries are continuing.
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