At least 10 people were killed and many others injured Tuesday in a shooting attack at a high school in the Austrian city of Graz, police said, adding that the perpetrator was also dead.

A picture of the 21-year-old attacker, whose identity has not been revealed because of privacy laws in Austria, has been slowly emerging in the past two days from details provided by the authorities ...

Austrians have the 12th-highest per-person gun ownership rate in the world, according to the Small Arms Survey, an independent research group based in Geneva.