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 Alpine country’s deadliest post-war attack.

Officials will set stricter eligibility rules for possession and purchase of arms, Chancellor Christian Stocker said.

Investigators say a former student who killed nine students and a teacher in Austria a week ago and then took his own life had become fascinated with school shootings in