The Norwegian prime minister, Jens Stoltenberg, says his country will not be intimidated by the killing of more than seventy people in bombing and gun attacks on Friday.

He said Norway's response would be more democracy and more openness.

David Eades spoke to Aslak Sira Myhre, a Norwegian writer, former leader of the Red Electoral Alliance party and now Director of the House of Literature in Oslo, who has written about extreme right-wing sentiment in Norway.