People gathered in Oslo today to sing Children of the Rainbow, in a demonstration against the views of killer Anders Behring Breivik. Kyrre Lien/AFP/Getty Images hide caption itoggle caption Kyrre Lien/AFP/Getty Images The Two-Way VIDEO: Norwegians Stand Up To Killer's Hate By Joining In Song April 26, 2012 Anders Behring Breivik killed 77 people. He thinks a folk song that speaks of there being "one world" is brainwashing Norwegians. Today, thousands gathered to sing that song to show him they believe otherwise. See the video.