People gather to lay flowers at Cvetni Trg (Flower Square) for the victims of a mass shooting in a school where a boy opened fire on others students and staff, in Belgrade, Serbia, May 3, 2023. REUTERS/Zorana Jevtic Photo: ZORANA JEVTIC/REUTERS
People gather to lay flowers at Cvetni Trg (Flower Square) for the victims of a mass shooting in a school where a boy opened fire on others students and staff, in Belgrade, Serbia, May 3, 2023. REUTERS/Zorana Jevtic Photo: ZORANA JEVTIC/REUTERS
People gather to lay flowers at Cvetni Trg (Flower Square) for the victims of a mass shooting in a school where a boy opened fire on others students and staff, in Belgrade, Serbia, May 3, 2023. REUTERS/Zorana Jevtic Photo: ZORANA JEVTIC/REUTERS
People gather to lay flowers at Cvetni Trg (Flower Square) for the victims of a mass shooting in a school where a boy opened fire on others students and staff, in Belgrade, Serbia, May 3, 2023. REUTERS/Zorana Jevtic Photo: ZORANA JEVTIC/REUTERS
People gather to lay flowers at Cvetni Trg (Flower Square) for the victims of a mass shooting in a school where a boy opened fire on others students and staff, in Belgrade, Serbia, May 3, 2023. REUTERS/Zorana Jevtic Photo: ZORANA JEVTIC/REUTERS
People hold candles at Cvetni Trg (Flower Square) as they mourn the victims of a mass shooting in a school where a boy opened fire on others students and staff, in Belgrade, Serbia, May 3, 2023. REUTERS/Zorana Jevtic Photo: ZORANA JEVTIC/REUTERS
A person holds a flower as people gather to lay flowers at Cvetni Trg (Flower Square) for the victims of a mass shooting in a school where a boy opened fire on others students and staff, in Belgrade, Serbia, May 3, 2023. REUTERS/Zorana Jevtic Photo: ZORANA JEVTIC/REUTERS
People gather to lay flowers at Cvetni Trg (Flower Square) for the victims of a mass shooting in a school where a boy opened fire on others students and staff, in Belgrade, Serbia, May 3, 2023. REUTERS/Zorana Jevtic Photo: ZORANA JEVTIC/REUTERS