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.

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Mayor Elke Kahr has described the attack as a "terrible tragedy", the Austria Press Agency (APA) reported. Austria school shooting: Follow live updates Here is what we know so far. What happened?

A former student opened fire at a school in Austria’s second-biggest city on Tuesday, fatally wounding 10 people and injuring many others before taking his own life, authorities said.

VIENNA — At least nine people were killed and 12 wounded in a shooting at a school in the Austrian city of Graz on Tuesday, and the suspected perpetrator also died, the city’s mayor said ...

Austrian Chancellor Christian Stocker said there would be three days of national mourning, with the Austrian flag lowered to half-staff and a national minute of mourning at 10 a.m. Wednesday.