At least five people have been killed in an attack at a school in the city of Graz in Austria, Austrian media including Kronen Zeitung reported today, while national television network ORF said the attacker was a student at the school and killed himself.

Police said an operation was underway on Driercyzengasse, where a secondary school is located, but declined to comment further.

Citing local police, ORF reported that several people, including students and teachers, have been seriously injured.