Greater Manchester Police were alerted to a cannabis farm at a large mill on Lever Street in Great Lever shortly after 10 a.m. on Tuesday 12 May 2015.[1] Officers found around 2,000 cannabis plants in various stages of growth along with a large quantity of cannabis that had been harvested and made ready for sale.[1] A further search of the area led them to a second cannabis farm in a nearby building containing approximately 800 plants.[1]

Three men and a woman were arrested at the scene on suspicion of producing cannabis.[2] Mariusz Zielinski, Mahmood Safazi, Mohammad Tork and Somsri Taveesab, all of no fixed abode, were charged with production of cannabis, remanded in custody and appeared before Bolton magistrates on 14 May.[1] Detective Sergeant Martin Ashurst said four people were in custody for questioning while officers worked to dismantle the two large-scale farms.[2] Police put the total stock value of both farms at more than £1.1 million.[1]