<p>As the nation struggled to absorb the impact of its worst postwar tragedy, thousands of people bowed their heads in silence outside Oslo's main university at a ceremony led by Prime Minister Jens Stoltenberg and King Harald V.<br /><br />"To remember the victims who died at the government's headquarters and on the island of Utoeya, I declare a minute of silence," said Stotenberg on the stroke of midday before he then opened a book of condolence.<br /><br />The country's train stations closed and the stock market halted trading. Nordic neighbours Sweden, Finland, Denmark and Iceland also held a minute's silence and flew national flags at half-mast.<br /><br />"It was an attack against the very values that our countries are built upon. It was an attack against all of us," said Danish Prime Minister Lars Loekke Rasmussen.<br /><br />Anders Behring Breivik has already confessed to the killings but denied criminal responsibility, according to his lawyer.<br /><br />The 32-year-old was to make his first appearance in a downtown court around 1:00 pm (1630 IST), for arraignment over Friday's car bombing and mass shooting that he said he had planned over a long time and executed single-handedly.<br /><br />A court official said that the judge had ordered the hearing to take place behind closed doors, against Behring Breivik's wishes.</p>
<p>As the nation struggled to absorb the impact of its worst postwar tragedy, thousands of people bowed their heads in silence outside Oslo's main university at a ceremony led by Prime Minister Jens Stoltenberg and King Harald V.<br /><br />"To remember the victims who died at the government's headquarters and on the island of Utoeya, I declare a minute of silence," said Stotenberg on the stroke of midday before he then opened a book of condolence.<br /><br />The country's train stations closed and the stock market halted trading. Nordic neighbours Sweden, Finland, Denmark and Iceland also held a minute's silence and flew national flags at half-mast.<br /><br />"It was an attack against the very values that our countries are built upon. It was an attack against all of us," said Danish Prime Minister Lars Loekke Rasmussen.<br /><br />Anders Behring Breivik has already confessed to the killings but denied criminal responsibility, according to his lawyer.<br /><br />The 32-year-old was to make his first appearance in a downtown court around 1:00 pm (1630 IST), for arraignment over Friday's car bombing and mass shooting that he said he had planned over a long time and executed single-handedly.<br /><br />A court official said that the judge had ordered the hearing to take place behind closed doors, against Behring Breivik's wishes.</p>