Police in Norway's capital say the shooting at a mosque that wounded one person is being investigated as an attempted terrorist attack and that the alleged perpetrator is also a murder suspect in a separate case.

One suspect is in custody after the shooting Saturday at the Al-Noor Islamic Center in the Oslo suburb of Baerum. Police say they believe no one else was involved.

Oslo police official Rune Skjold told a news conference Sunday that the suspect, a man in his 20s, has been found to hold extreme right-wing views and animosity toward immigrants.

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