PICTURES: 'Cannabis factory hidden behind wardrobe' found during raids near Sheffield

Police said it was discovered when officers executed a search warrant at a house in Rotherham and had a street value of about £15, 000.

READ MORE: Teenager released as probe into Sheffield shooting continuesIt was part of a wider blitz on crime under Operation Duxford which saw officers flood the streets of Eastwood, Wellgate, Brinsworth and Kimberworth.

In total, officers carried out 16 raids, arrested 12 people, retrieved five knives, seized three cars and issued five tickets for parking offences.

Chief Inspector Rebecca Chapman, who was in charge of the operation, said: “Today is all about us showing our communities the work that we do, reassuring them that we are listening and that they can have confidence in us.

As well as early morning drugs raids, officers carried out traffic stops, conducted parking enforcement and met with residents to listen to their concerns about crime in the community.

Chief Constable Stephen Watson, who joined officers on the raids, said: "Along with our partners, we’re targeting those making other people’s lives a misery.

"Where there are people breaking the law, we will respond vigorously.

READ MORE: Sheffield street cordoned off by police after life threatening stabbing“This is about us being on the front foot, being proactive and not just responding to things once they’ve happened.”