motive - hírek
Austrian gunman was obsessed with school shootings, police say
Gunman carefully planned Austrian school shooting that left 10 dead, police say
German police arrest suspect in Bielefeld stabbing attack that injured five people
Syrians and Bosnian among victims of gunman's attack on Swedish school
Parents of Belgrade school shooter jailed
Police identify 15-year-old female student as the shooter at a school in the US state of Wisconsin
Schoolboy shooter testifies at parents' trial in Belgrade
Eight children seriously hurt in arson attack in German city of Essen
