Thames Valley Police and the Metropolitan Police forces say they have carried 16 warrants in connection with drug offences in the Aylesbury and Met area.
The locations targeted in the drugs crackdown in Aylesbury include: Two addresses in Intalbury Avenue; two addresses in Weedon Road; and other properties in Poets Chase, Bicester Road, Eaton Road and Lyner Close.
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12 years in prison for smuggling 8 kilos of cocaine and 7 kilos of heroin