A history of mass shootings in the US since Columbine - Telegraph
April 1999 - Two teenage schoolboys killed 12 schoolmates and a teacher at Columbine High School
July 1999 - A stock exchange trader in Atlanta, Georgia, killed 12 people including his wife
September 1999 - A gunman opened fire at a prayer service in Fort Worth, Texas, killing six people
October 2002 - A series of sniper-style shootings occurred in Washington DC, leaving 10 dead.
August 2003 - In Chicago, a laid-off worker shot and killed six of his former workmates.
November 2004 - In Birchwood, Wisconsin, a hunter killed six other hunters and wounded two others
March 2005 - A man opened fire at a church service in Brookfield, Wisconsin, killing seven people.
October 2006 - A truck driver killed five schoolgirls and seriously wounded six others in a school in Nickel Mines
April 2007 - Student Seung-Hui Cho shot and killed 32 people and wounded 15 others at Virginia Tech
August 2007 - Three Delaware State University students were shot and killed in “execution style”
December 2007 - A 20-year-old man killed nine people and injured five others in Omaha, Nebraska.
December 2007 - A woman and her boyfriend shot dead six on Christmas Eve in Carnation, Washington.
February 2008 - A shooter shot six women at a suburban clothing store in Chicago
February 2008 - A man opened fire in Northern Illinois University in DeKalb, Illinois, killing five students
July 2008 – A former student shot three people in a computer lab at South Mountain Community College, Phoenix, Arizona.
September 2008 - a mentally ill man who was released from jail one month earlier shot eight people in Alger, Washington, leaving six of them dead and the rest two wounded.
October 2008 - Several men in a car drove up to a dormitory at the University of Central Arkansas and opened fire, killing two students and injuring a third person.
December 2008 - A man dressed in a Santa Claus suit opened fire at a family Christmas party in Covina, California, then set fire on the house and killed himself. Police later found nine people dead in the debris of the house.
March 2009 - A 28-year-old laid-off worker opened fire while driving a car through several towns in Alabama, killing 10 people.
March 2009 - A heavily-armed gunman shot dead eight people, many of them elderly and sick people, in a private-owned nursing home in North Carolina.
March 2009 - Six people were shot dead in a high-grade apartment building in Santa Clara, California.
April 2009 – An 18-year-old former student followed a pizza delivery man into his old dormitory, and shot the deliveryman, a dorm monitor, and himself at Hampton University, Virginia.
April 2009 - A man shot dead 13 people at a civic center in Binghamton, New York.
July 2009 - Six people, including one student, were shot in a drive-by shooting at a community rally on the campus of Texas Southern University, Houston.
November 2009 - US army psychologist Major Nidal Hasan opened fire at a military base in Fort Hood, Texas, leaving 13 dead and 42 others wounded.
February 2010 – A professor opened fire 50 minutes into at a Biological Sciences Department faculty meeting at the University of Alabama, killing three colleagues and wounding three others
January 2011 - a gunman opened fire at a public gathering outside a grocery in Tuscon, Arizona, killing six people
July 2012 - James Holmes opens fire at midnight cinema screen of new Batman film killing 12 and injuring 58.
August 2012 - Gunman kills six people at Sikh temple in Wisconsin before being shot dead by police.
December 2012 - Adam Lanza forces his way into Sandy Hook, Connecticut. He kills 20 first-graders and six adults.
June 2013 - John Zawahri, an unemployed 23-year-old, kills five people in a rampage
September 2013 - Aaron Alexis, a Navy contractor and former Navy man killed people were killed and three injured.
May 2014 - Elliot Rodger opens fire in the campus town of Isla Vista, killing seven people.
June 2015 - White supremacist, Dylann Roof, begins shooting in a historic black church. He kills nine people.
August 2015 - Vester Lee Flanagan II aka Bryce Williams shoots dead two former colleagues from the WDBJ7 news team.
Mass shooting in the UK since 1987 - 3
And Trump has the audacity to say Europe has a problem.