Josef Klamninger

A "mentally unbalanced" man who ploughed his 4x4 into a pedestrian street in the Austrian city of Graz, killing three people including a young boy, was questioned by authorities on Sunday, prosecutors said.

A "mentally unbalanced" man who ploughed his 4x4 into a pedestrian street in the Austrian city of Graz, killing three people including a young boy, was questioned by authorities on Sunday, prosecutors said.