It comes as part of a joint effort between the Thames Valley Police Proactive Team and Metropolitan Police.
It follows the execution of a warrant at a residential property in Brookfield Crescent, Barnet, in the early hours of yesterday morning (20/10).
A subsequent search resulted in the seizure of more than 3kg of cocaine, with an estimated street value of over £300,000, alongside £13,000 in cash.
A 33-year-old man has been arrested and remains in police custody.
It came as part of a joint operation between officers from the Thames Valley Police Proactive Team working alongside the Metropolitan Police.

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