Pupil, 13, behind Serbian school massacre 'may have been bullied'
Kosta Kecmanovic, 13, allegedly opened fire on his screaming classmates inside their classroom in the Vladislav Ribnikar Elementary School, killing seven girls and a boy - all below the age of 14.
"Police have not stated a motivation for the attack, but parents of children at the school have said he was bullied while Kecmanovic's father, who has not been named, said the boy often told him he did not fit into society."
