At least five people have been killed in an attack at a school in the Austrian city of Graz and others were injured, Austrian media including tabloid Kronen Zeitung reported on Tuesday.
Citing local police, Austrian state media ORF said several people had been seriously injured, including students and teachers.
Police said an operation was underway in a street called Dreierschuetzengasse, on which there is a secondary school, but declined further comment.
Police are currently evacuating the building, ORF said.
It was not immediately clear whether the suspect was among the reported victims.
