Two pedestrians spotted several youths at a food vending machine in Wien-Donaustadt on Donauinsel late on 18 October 2026, watching them try to damage the machine’s glass door. The witnesses called police. Officers arrived on scene and saw the group. When the youths noticed the police, they ran. A 14-year-old was stopped and temporarily detained. Officers searched the area as part of an immediate manhunt and found a backpack near the Treppelweg. Inside were drinks cans, food items, and a cap. Police seized the backpack and the contents. The investigation is ongoing.