Watch: Booby-trap at £1m town centre cannabis farm

Video showed inside a town centre building where cannabis with an estimated street value of £1m was being grown.

Cambridgeshire Police said the former Woolworths and Poundland unit in Huntingdon had even been booby-trapped with an electrified door to keep rival gangs out.

About 20 rooms had been kitted out inside and a 3m-hole (10ft) dug into the ground to access the main power cable.

Detectives said they were looking for four men pictured on CCTV leaving the building.

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