33-year-old German man drove vehicle into crowd in Leipzig on May 4, 2026. Attack killed 2, injured multiple, police arrested suspect on scene. Interior Minister called perpetrator 'lone perpetrator'. Motive unknown, possible psychological issues suspected. 40 firefighters and 40 paramedics deployed for mass casualty event. Fire chief confirmed 2 deaths, 2 serious injuries, 20 others affected. Leipzig mayor described incident as 'terrible tragedy'. Attack part of trend of car-ramming incidents in German cities