At least 15 people were killed and dozens injured today when one student opened fire at Charles University in Pragueas the police announced.

Here’s one timeline of some of the worst mass murder attacks to have occurred in Europe in recent decades:

Belgium, May 1987: Michael Van Weinendele, who had injured his in-laws and was running amok in the rural community of Bogaarden, south of Brussels, kills himself as police try to persuade him to surrender after earlier killing six people.

Britain, August 1987: Michael Ryan, a 27-year-old gun enthusiast from the town of Hungerford, killed 16 people and injured 11 others before taking his own life.

France, July 1989: A French farmer shot and killed 14 people, including members of his own family, in the village of Luxiol, near the Swiss border. He was injured and arrested by the police.

France, September 1995: A 16-year-old boy, armed with a rifle, runs amok in the town of Kierre after a fight with his parents. The minor shot and killed 16 people and then committed suicide.

Britain, March 1996: Thomas Hamilton storms into a primary school in Dunblane, Scotland, shoots and kills 16 children and their teacher, before taking his own life.

Germany, April 2002: Robert Steinhauser, 19, opens fire in Erfurt after previously saying he did not intend to write a maths test. He killed 12 teachers, a secretary, two students and a police officer at Gutenberg High School and then killed himself.

Finland, November 2007: Pekka-Erik Auvinen killed six classmates, a nurse and the principal of Jokela High School, near Helsinki, before turning the gun on himself and taking his own life.

Finland, September 2008: Student Matti Saari opens fire at a vocational school in Kauhajoki, northwestern Finland, killing nine students and one staff member. The perpetrator committed suicide.

Germany, March 2009: A 17-year-old gunman killed nine students and three teachers at a school near Stuttgart and another person at a clinic. He was later killed in a shootout with the police, in which two bystanders were also killed, bringing the total number of victims, including the attacker, to 16.

Britain, June 2010: Derrick Bird opens fire on various communities in rural Cumbria. Twelve people were killed, 11 were injured. The perpetrator committed suicide.

Slovakia, August 2010: A gunman kills six members of a Roma family and another woman in the capital Bratislava. Another 14 people were injured. The perpetrator took his own life.

Netherlands, April 2011: Tristan van der Vlies opens fire in the Ridderhof shopping center in the south of Amsterdam, killing six people before turning the gun on himself.

Norway, July 2011: Anders Behring Breivik kills a total of 77 people. The eight are fatally injured by the car bomb explosion in Oslo. He then opens fire and kills 69 others – most of them teenagers – at a Labor Party youth summer camp.

France, November 2015: Islamic extremists armed with Kalashnikovs and bombs target the Bataclan concert hall, six bars and restaurants, and the area around Stade de France outside the French capital, killing a total of 130 people and injuring hundreds.

Germany, July 2016: An 18-year-old German-Iranian, obsessed with mass murder, kills nine people in Munich.

Germany, March 2023: A gunman in Hamburg kills six people and kills himself in a Jehovah’s Witness prayer hall. Eight other people were injured, including a pregnant woman who lost her baby.

Serbia, May 2023: A 13-year-old boy kills eight classmates and a security guard at a school in Belgrade. Two days later, a gunman kills eight people and injures 14 others in a village near the Serbian capital. Both suspects were arrested.