Austria’s chancellor says his country will toughen its gun laws after a 21-year-old former student killed nine students and a teacher at his school last week in what’s considered the

The background to such horrific incidents is the enormous brutalization of society and the promotion of war and violence.

Austrian police on Thursday described the 21-year-old man who carried out Austria's worst school shooting as an introvert who had largely withdrawn from the outside world before he carefully planned the attack.