Liam and Jason Hill were using converted lorry trailers to grow commercial quantities of cannabis in a compound in the Afan Valley (Image: South Wales Police)

A father-and-son were running a commercial cannabis growing operation using converted lorry trailers, a court has heard.

Jason and Liam Hill were caught red-handed with the crop when police officers swooped on the compound where they had a dozen large HGV trailer units parked. Swansea Crown Court heard that the plants the Hills were growing had a street value of up to £85,000 while the value of the already-harvested crop found in the lorries was up to £63,000.

Regan Walters, prosecuting, told the court that at just after midday on October 22, 2023, police went to the former Western Logs depot on the main Afan Valley road near

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