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.

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,

Austria has declared three days of national mourning following what appears to be the deadliest attack in its post-World War II history.

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.

GRAZ, Austria (Reuters) -Austrian police said on Wednesday that a pipe bomb was found at the home of the suspect in a school shooting on Tuesday in the city of Graz, but that it was not functional.

Josef Fritzl, who Austrian police say has confessed to imprisoning his daughter for 24 years and fathering seven of her children, twice holidayed in Thailand while she remained trapped in a cellar below his house,

Smoke in the cockpit forced a plane carrying 143 passengers and six crew to the eastern French city of Lyon from Budapest to make an emergency landing in Graz, Austria's second city, Austrian police said on Monday.