Serbia's education minister resigns following mass shootings - Los
13-year-old killed at least 9 people in Serbia school shooting
Nine dead in school shooting in Belgrade - Taipei Times
Nine killed in planned attack at Serbian school by 13-year-old boy
Nine dead, seven injured in Serbia school shooting
Boy, 13, who shot dead eight children at Belgrade school 'had kill
8 fatally shot in Serbia town a day after 9 killed at school
Serbian president flags gun control crackdown after second mass
Serbia school shootings: Schoolboy who killed nine people 'planned
8 fatally shot in Serbia town a day after 9 killed at school - The