A patrol was called to the apartment because of an aggressive man. The cannabis tents were found during the operation.
Police found cannabis plants in an apartment building in Nastola, Lahti, on Friday evening.
A patrol was alerted to the apartment because of an aggressive man, the Häme police said in a press release. During the mission, the police found breeding animals in the apartment.
The police searched the apartment and found not only cannabis but also ammunition for a firearm.
The police arrested the couple living in the apartment and suspect them of a drug crime and a firearms crime.