Chancellor of Austria, Christian Stocker, attends a press conference following a deadly school shooting in Graz, Austria, June 10, 2025. (Photo: REUTERS/Leonhard Foeger)

He called the shooting a "dark day in the history of our country.”

Austrian Interior Minister Gerhard Karner said the 21-year-old suspect in the shooting was a student who had not graduated from that school.

Austrian President Alexander Van der Belle expressed shock at the attack and called on people to stand together to overcome the pain.