Cambridgeshire Police have discovered a cannabis factory with more than 100 cannabis plants in Wisbech St Mary.
Neighbourhood officers carried out a warrant in Churchfield Way, Wisbech St Mary, on August 29 and found several rooms had been converted to grow cannabis.
During the raid, a total of 125 cannabis plants were seized, and a man was arrested in connection with the find.
A spokesperson for Cambridgeshire Constabulary said: "The 22-year-old man, of no fixed address, was given a caution for the production of cannabis.
"He was also arrested for immigration offences which have been passed to the Immigration Service to deal with."
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Police urge the public to be vigilant for cannabis factories and spot telltale signs, such as frequent visitors at unsocial hours, blacked-out windows or condensation on the windows.
Other signs include bright lights in rooms throughout the night and if you smell a powerful, distinctive, sweet, sickly aroma and noise from fans.
To report a suspected cannabis factory or any drug-related crime, visit the force's website.
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