This article was composed from multiple news sources.

The boy was 13 when he killed eight girls, a boy and a school guard at Vladislav Ribnikar school in Belgrade in 2023.

Draftartikel opgebouwd uit meerdere gegroepeerde nieuwsbronnen. The boy was 13 when he killed eight girls, a boy and a school guard at Vladislav Ribnikar school in Belgrade in 2023.