Norwegian mass killer Anders Behring Breivik smirked in court as he was jailed for 21 years after a judge ruled he was "not insane".
Breivik has been declared sane and sentenced to prison for bomb and gun attacks that killed 77 people last year.
Reading the ruling, Judge Wenche Elisabeth Arntzen handed down a sentence of "preventive detention" of at least 10 years and a maximum of 21 years.
However, such sentences can be extended under Norwegian law as long as an inmate is considered dangerous.
Lawyers for the 33-year-old right-wing extremist said before the decision that Breivik would appeal any insanity ruling but accept a prison sentence.
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