SHOOTING MASSACRES AFTER PORT ARTHUR
April 1999 USA - Two teenagers kill 12 students and one teacher at Columbine High School in Littleton, Colorado, before committing suicide in the school library.
July 2001 Nepal - Nine members of the Nepalese Royal family died in a palace massacre by Crown Prince Dipendra who shot himself afterwards.
April 2002 Germany - A 19-year-old gunman opened fire at a school in Erfut, eastern Germany, killing 12 teachers, two students, a secretary and a policeman before killing himself.
April 2007 USA - A gunman went on a rampage through the campus of Virginia Tech university at Blackburg, Virginia mowing down 32 people and eventually, himself.
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March 2009 Germany - 13 people dead after a 17-year-old gunman went on a shooting spree at a school near Stuttgart.
April 2009 USA - Gunman kills 13 people and injures four at an immigrant community centre in Binghamton, New York.
November 2009 USA - Army major opened fire at the Fort Hood army base in Texas, killing 13 people and wounding 31.
June 2010 UK - Twelve people killed and 11 injured after a shooting spree across towns in the rural country of Cumbria.
July 2011 Norway - Gunman blows up government building in Oslo and then opens fire on a youth political summer camp on the holiday island of Utoeya, killing 77 people.
July 2012 USA - Twelve people killed and 58 wounded at a shooting spree at a cinema screening of Batman film The Dark Knight Rises in Aurora, Denver.
December 2012 USA - Heavily armed shooter guns down 20 children and six adults at Sandy Hook elementary school in Newtown, Connecticut.
December 2015 USA - Married killers gun down 14 people in a conference centre in San Bernadino.
