WARSAW, Poland, April 17 (UPI) -- Polish police said they have arrested seven people and seized about 500,000 marijuana plants in a raid of hidden plantations in northwestern Poland.
An anti-narcotics police team arrested two people and confiscated 800 marijuana plants when they uncovered a specially equipped underground marijuana plantation in a village near Szczecin, the Polish news.pl Web site said Friday.
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This was the fourth closure of a marijuana plantation in the Szczecin region this year, police said.
The plantation was located in a potato cellar, equipped with irrigation and ventilation systems and with artificial lighting.
