Police have discovered 3000 cannabis plants at a property in Preston.
Officers said they were called to Aqueduct Street following reports of 'suspicious activity' on Sunday.
On arrival police discovered around a huge number of cannabis plants in various stages of development which have now all be seized. There was also evidence that the electricity had been bypassed.
A police spokesperson said: "No arrests have been made and investigations are continuing.
"Operation Warrior is Lancashire Police’s response to tackling serious and organised crime in Lancashire, supported by Police and Crime Commissioner Clive Grunshaw.
"It aims to target the individuals and gangs involved in crime, as well as associated issues such as violence and intimidation, large scale drug supply, exploitation, and fraud, all of which can cause serious harm to local communities.
"We would encourage you, if you haven’t done so already, to take our Lancashire Talking survey."
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