Dubbed ‘Operation Dark Room’, the police action revealed a number of atrocities against children as young as infancy.  
Police seized 150 terabytes of data material in the form of photos, movies and chat transcripts between members of various paedophile networks.
“The material shows the abuse of children of all ages, including infants,” Hilde Reikrås, the head of Operation Dark Room, said at a press conference on Sunday.
Reikrås also gave examples of the scope of the horrific abuse.
“The material shows, among other things, the penetration of toddlers, children being tied up, children having sex with animals and children having sex with other children,” she said.
Twenty of the 51 people involved in the cases were arrested by the Western Police District. The other 31 people are from other police districts across Norway, and those cases are still under investigation. An additional individual is also under investigation abroad.

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