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Norway killer Anders Behring Breivik refuses to recognize court as trial begins

Heiko Junge / Pool via AFP - Getty Images

Rightwing extremist Anders Behring Breivik, who killed 77 people in twin attacks in Norway last year, makes a salute as he enters an Oslo court on April 16, 2012.

Fabrizio Bensch / Reuters

Anders Behring Breivik has his handcuffs removed as he arrives for the first day of his trial.

Heiko Junge / AFP - Getty Images

Anders Behring Breivik sheds a tear as the court views a propaganda film he made before he carried out the deadliest attacks in post-war Norwegian history.

Fabrizio Bensch / Reuters

Members of the judiciary are pictured in the courtroom during the first day of the trial of Anders Behring Breivik.

Ian Johnston, msnbc.com reports — Anti-Islam militant Anders Behring Breivik admitted he had killed 77 people in a massacre last July, but said he was pleading not guilty to the criminal charges against him on the first day of his trial in Norway Monday, The Associated Press reported.

As he arrived in court - the early part of the session was broadcast on television - Breivik gave a salute, raising his arm with his first clenched.

He said that he did not "acknowledge the authority of the court." Read more.

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Odd Andersen / AFP - Getty Images

Eskil Pedersen, second left, leader of the Labour party youth wing and Utoya survivor, is seated next to lawyer John Christian Elden, left, as they wait for the start of the trial.

Stoyan Nenov / Reuters

People look from inside a tram as they pass by the court in Oslo where the trial of Anders Behring Breivik is being held.

The nation looks to rally after a bombing and shooting spree leaves 77 people dead.