A 21-year-old gunman who killed nine students and a teacher at his former school in Austria had developed a fascination and "significant passion" for such shootings in recent years, investigators say.

The 21-year-old, who meticulously planned the attack at his former high school in Graz, killed nine students and a teacher.

Investigators say a former student who killed nine students and a teacher in Austria a week ago and then took his own life ...

Click on to read about the deadliest mass shootings in Europe over the past 40 years.

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 ...