2015 Graz attack of the attack, "What happened here is unthinkable. There is no excuse for it." Styria governor Hermann Schützenhöfer issued a statement, saying, "We are shocked and dismayed...here is no explanation and no excuse for this attack." Graz mayor Siegfried Nagl, who witnessed the rampage unfold, ordered events in Graz to be canceled and black flags of mourning to be raised above municipal buildings. 2015 Graz attack The 2015 Graz attack occurred on 20 June 2015, when the perpetrator, identified as Alen Rizvanović, drove a sports utility vehicle at high speeds through the center of Graz, Austria, killing three people in
Trams in Graz was introduced in 1999 by the fitting of new low-floor centre sections to 12 existing trams. In 2007, Graz ordered 45 Stadler Variobahn trams for delivery between 2009 and 2015. These vehicles proved controversial, with complaints over noise and vibration levels. Initially confined to the north-south axis lines 4 and 5, the trams started operating on the east-west axis in 2013, after modifications and imposition of a speed limit. In 2012, new tram tunnels were built to serve the city's main railway station (Graz Hauptbahnhof), which was previously the terminus of two tram lines and some distance from the main