By bne IntelliNews Three staff members of a school in Bosnia & Herzegovina were killed on August 21 in a shooting started by a cleaner who was working there. The assailant was injured and in critical condition, the police authorities in the town of Sanski Most announced. The shooting at school in the town of Sanski Most in Bosnia’s Republika Srpska took place in the morning during a summer break. ‘At 10.06 am today, there was a triple homicide in the high school. After that, the attacker attempted to commit suicide, but failed, and was hospitalised at the University Centre of Republika Srpska,…