The suspect, a school employee, opened fire with an automatic rifle and tried to kill himself, police say.
Bosnian schools are closed for the summer holiday, which means no classes were being held at the time of the shooting
At least three staff members have been killed in a shooting at a school in the northwest of Bosnia and Herzegovina, authorities say.
Among those killed in Wednesday’s shooting were the principal, secretary and a teacher at the Sanski Most High School Center, Adnan Beganovic, a spokesman for the Ministry of Internal Affairs, told Al Jazeera
