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.

The 21-year-old man who carried out Austria's worst school shooting was an introverted fan of online shooting games, criminal investigators said on Thursday. The Austrian man, identified by local media as Arthur A.

Nine students were killed — six girls and three boys aged between 14 and 17, one with Polish citizenship — as well as a teacher, police said. Another 11 people were wounded.