A cannabis farm in Bootle was found by Merseyside Police today.
Officers visited an industrial unit in Bootle where they were investigating a smell of cannabis.
As a result, police officers came across a "large scale sophisticated cannabis cultivation".
Two men were arrested when after they were seen leaving the cultivation.
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Officers arrested a 26-year-old man and a 35-year-old man of no fixed abode.
Police seized 1081 plants that gave an estimated annual yield of £4.3 million.
Sefton Police posted on Facebook: "Operation Pelican Officers have today arrested a 26-year-old male and a 35-year-old male of no fixed abode for Production of Cannabis
"Officers attended an Industrial Unit in Bootle where they detained two males whilst they were making enquires in regards to a smell of cannabis. These males where found to have exited from a large scale sophisticated cannabis cultivation.
"Merseyside Police Cannabis Dismantling Team have then assisted in dismantling the cultivation and seized 1081 plants that give an estimated annual yield of £4.3 million."
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