NIIGATA, July 6, Kyodo - An 11-year-old boy slashed a 12-year-old schoolmate with a kitchen knife Tuesday in a classroom of an elementary school in Sanjo, Niigata Prefecture, inflicting cuts on his right arm and left hand, police said.
The boy, who was taken into police custody, said the schoolmate had spoken ill of him and had been insulting, according to the police.