Norwegian Police have found video clips of torture, mutilation, and executions saved on the mobile phones of those seeking asylum in Norway, the Police Immigration Service has told the country's Dagsavisen newspaper.

The Police Immigration Service confirmed to the paper that people connected to terrorist groups such as Islamic State, Al-Shabaab and Boko Haram had all tried to come to Norway to claim asylum.

"It can be very expensive to find out who they are and what they have done," Hanne Jendal at the Immigration Directorate told the newspaper.

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