Police officers secure the area after a 14-year-old boy opened fire on other students and security guards at a school in downtown Belgrade, Serbia, May 3, 2023. REUTERS/Djordje Kojadinovic
Police officers secure the area after a 14-year-old boy opened fire on other students and security guards at a school in downtown Belgrade, Serbia, May 3, 2023. REUTERS/Djordje Kojadinovic