Video: Operation Harness

Hundreds of police officers have carried out a series of drugs raids in Wiltshire, the biggest day of action the force has ever seen in the county. Warrants were executed at nearly 40 addresses in Swindon - 25 people have been arrested. Robert Murphy has more.

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Biggest drugs raid in Wiltshire Police's history

Drugs officers have carried out Wiltshire Police's biggest set of raids in the force's history.