Police discovered hundreds of cannabis plants at a house in Blackpool this week.
Officers were called out to a 'disturbance' at an address on Hill Street on Wednesday evening.
After the entering the property, officers discovered the drugs and that the electricity meter had been by-passed.
An investigation is ongoing.
A spokesperson said: "On Wednesday night, a cannabis farm was discovered on Hill Street, Blackpool. Officers were called to an address after reports of a disturbance and located the cannabis farm, which held between 300 to 400 plants.
"Evidence was also found that the electricity meter had been by-passed, causing significant disruption throughout the premise. Electricity Northwest attended the address to ensure the area was safe
"The grow was dismantled, and an investigation is ongoing. Operation Warrior is Lancashire Police’s response to tackling serious and organised crime.
Information can be passed to police on 101.
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