A 21-year-old former student opened fire inside his school in Austria’s second-biggest city Tuesday morning and killed 10 people.

Police have revealed chilling details about what they found in the home of a former student, 21, who is suspected of leaving a farewell message for his mom before killing 10 in the school shooting in Graz,

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.

At least nine people were reported killed and a number of others injured in a shooting at a school in the southern Austrian city of Graz on Tuesday, the city's mayor said.

Ten people were killed in a mass shooting at a high school in Graz, the country’s second-largest city, the police said. The gunman also died, in an apparent suicide.

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.

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.

A defense official said the man, 21, was turned down for military service after failing a psychological test. Investigators are asking how he passed another such test to obtain a gun permit.