Dozens of Serbian schools on Wednesday received bomb threats, the education ministry said, amid security concerns following two mass shootings early this month, including one in an elementary school.
source https://timesofindia.indiatimes.com/world/europe/dozens-of-serbia-schools-receive-bomb-threats-following-mass-shootings-in-early-may/articleshow/100312977.cms
source https://timesofindia.indiatimes.com/world/europe/dozens-of-serbia-schools-receive-bomb-threats-following-mass-shootings-in-early-may/articleshow/100312977.cms