This was reported by several Norwegian media outlets.
The man was convicted this summer of preparing for murder, but his sentence was handed down by Woolwich Crown Court in London on Friday.
According to the verdict, the 19-year-old was supposed to shoot an unidentified person. Prosecutor Alistair Richardson said he had been recruited by the Foxtrot network.
The 19-year-old was arrested in a hotel room in Huddersfield in March last year. Two guns and ammunition were found in the room.
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