The Facts

• A former janitor opened fire with an automatic weapon at the Sanski Most Gymnasium - a secondary school in north west Bosnia on Wednesday, killing three. The school dean, secretary, and English instructor died in the attack.Bosnian officers have reported that a janitor opened fire with an automatic weapon at the Sanski Most Gymnasium — a secondary school in the country's northwest — on Wednesday, killing at least three, including the school dean, secretary, and an English instructor.

• The shooter used a "military weapon, an automatic rifle" in the attack that took place around 10 am local time. The shooter is in serious condition after trying to kill himself. A hospital near Banja Luka is treating the shooter, according to the police.The gun used in the attack, which took place around 10 am local time, has been described as a military-grade automatic weapon. The suspect is currently being treated in a hospital near Banja Luka, having been left in serious condition due to self-inflicted injuries.

• No students were present at the time of the shooting as schools in Bosnia are closed for the summer holiday. Teachers were convening to make preparations for the upcoming school year.The attack happened as teachers and staff were gathered to prepare for the upcoming school year. Though schools in Bosnia are closed for the summer holiday, some students were on campus to take exams at the time of the shooting.