Memorial for Serbia school shooting victims
Flowers and toys are placed for the victims near the Vladislav Ribnikar school in Belgrade, Serbia, Thursday, May 4, 2023. A 13-year-old who opened fire Wednesday at his school in Serbia's capital. He killed multiple fellow students and a guard before calling the police and being arrested. Several children and a teacher were also hospitalized. (AP Photo/Darko Vojinovic)
