The story of Anders Breivik's killing spree in Norway on July 22, 2011, tracing events as they unfolded. Survivors of the Utoya Island massacre and Oslo bomb blast discuss their experiences, and members of the emergency services recall how they helped the injured. A further personal perspective is provided by a cabbie who drove Breivik on the day of the atrocities - and recalls him as a pleasant man who talked of settling down and becoming a farmer.