FILE - Police officers guard the Vladimir Ribnikar school in Belgrade, Serbia, Thursday, May 4, 2023. A teenage boy opened fire at the school on the morning of May 3, Read this story at The Daily Reflector , Sportskeeda , www.thestar.co.uk , ABC7 Chicago , Daily Mail , dailym.ai , Drudge Report , BBC News , dailym.ai , ESPNcricinfo , Japan Today , dailym.ai , The Philippine Star
