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 in Austria say a school shooting has left at least 10 people dead in the European nation's second-largest city, Graz. The shooter is also dead.

A lone attacker has shot dead 10 people at a school in the Austrian city of Graz. Officials say the suspect, who was 21 and had two guns, killed himself in the bathroom. Three days of national mourning have been announced.