"I think the first thing is shock, to be honest. I think you can't react the other way. I think everyone in the school is in complete shock," said 24-year-old student Helene Parr, who knows people at the BORG Dreierschützengasse school, where the mass shooting took place.

Police in Austria were hunting for clues on Wednesday after a gunman opened fire at his former high school a day earlier, killing nine students and a teacher in a deadly spree that stunned the country.

The King has sent a message to the people of Austria expressing his sympathy following the “appallingly tragic” school shooting in Graz. Charles described how the “horrific attack” was all the more dreadful because “schools should be places of sanctuary and learning”.

A brutal act of mass violence in Austria has left the nation reeling. On June 9, in the city of Graz, 21-year-old Arthur A. shot and killed 10 people — including eight children — before turning the weapon on himself.

Austria has fallen silent for a minute in memory of the 10 people killed in a school shooting in Graz, which ended with the gunman taking his own life.

A former student opened fire at a school in Austria’s second-biggest city Tuesday, killing 10 people and wounding 12 others