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.

"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.

Residents of Graz gathered for a mass and a candle lit vigil to mourn the 11 victims who were killed after a former pupil opened fire in a school. View on euronews

ISLAMABAD: Pakistan has expressed deep sorrow over the tragic shooting at a school in Austrian city of Graz. “We are deeply saddened by the tragic shooting at the secondary school in Graz, Austria, that has resulted in several casualties with many injured,” the Foreign Office spokesperson said.

Austria to observe three days of mourning after a 21-year-old attacker kills at least 10 people at a school in Graz.

Eleven people injured in a school shooting in Graz, Austria, on Tuesday are still being treated but are not in life-threatening condition, officials said.

Pictured: 'Bullied' Austria drop-out who killed 10 people at former high school in Graz gun rampage - The suspect, identified as ‘Arthur A’, can be seen holding a cat in the first picture of the suspe

The deadliest school shooting in the nation’s recent history has prompted some gun enthusiasts to worry about the prospect of stricter ownership laws.

GRAZ, Austria (AP) — A shooter opened fire inside a school in Austria’s second-biggest city Tuesday, killing nine people, authorities said. At least 12 others were wounded in the attack, and the gunman later died by suicide in a bathroom in the school in Graz, officials said.

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.