December 13, 2011: BELGIUM / ITALY
Three people, plus the gunman, are killed when a man opens fire on a square packed with children and Christmas shoppers in the eastern Belgian city of Liege. In Italy, a far-right militant kills two Senegalese street vendors and wounds three people in a shooting spree in Florence after which he apparently kills himself.
July 22, 2011: NORWAY
A bomb attack on government buildings in Oslo that kills eight is followed by a shooting which kills 69 at a summer holiday camp on the island of Utoeya, near the capital. A right-wing extremist is arrested for the attacks.
April 9, 2011: THE NETHERLANDS
A gunman opens fire in a packed mall in the Netherlands, killing six people before shooting himself.
June 2, 2010: ENGLAND
Twelve people are killed when a 52-year-old taxi driver goes on a shooting spree in the English region of Cumbria before killing himself.
March 11, 2009: GERMANY
Nine pupils, three teachers and three passers-by are killed in a school shooting at Winnenden in southern Germany by a former pupil who then kills himself.
September 23, 2008: FINLAND
Eleven people, including the 22-year-old gunman, die in a massacre at a training school at Kauhajoki, Finland.
November 7, 2007: FINLAND
An 18-year-old goes on a shooting rampage in a school in the town of Tuusula, killing eight people before shooting himself.
April 26, 2002: GERMANY
Sixteen people, including 12 teachers and two students, are gunned down at a school in Erfurt in eastern Germany by a 19-year-old former student, apparently in revenge for having been expelled, who then killed himself.
March 27, 2002: FRANCE
Eight local councillors are killed and 19 injured when a man opens fire on members of the municipal council of Nanterre, outside Paris. He kills himself the next day in police custody.
September 27, 2001: SWITZERLAND
A man bursts into the local assembly in the town of Zug and opens fire, killing 14 members of parliament and local government before turning the gun on himself.