A large drugs factory was discovered after police interrupted a break-in.
Police were called shortly before 5 am on Tuesday morning after suspects were spotted breaking into an industrial building in Midworth Street, Mansfield.
Officers chased a number of suspects from the scene and detained them.
Several hundred cannabis plants were then discovered inside the building and will now be destroyed.
Twelve men were arrested on suspicion of a range of offences, including cannabis cultivation, possession with intent to supply, conspiracy to commit robbery and weapons possession.
All were later released on bail.
Detective Sergeant Georgina Gallagher, of Nottinghamshire Police, said: “This was a large and sophisticated cannabis grow that would have taken a lot of time and money to set up.
“Thanks to a timely call from a member of the public we have been able to close this operation down and have arrested a large number of suspects.
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“As our investigation continues, we would like to hear from any members of the public who have noticed suspicious activity in this area.”
Anyone with additional information is asked to call 101 quoting incident 96 of 30 May 2023.
