According to initial findings of the police a quarrel over a girl was the cause of an incident in Skopje high school 'Marie Curie-Sklodovska', in which a professor and two students have been injured.

The incident took place at about 12:30h on Monday when a group of persons, some of whom wearing masks and armed with bats, knives, entered the school and attacked students and one professor.

The injured have been transferred to Skopje Urgent Center.

The police arrested four teenagers, all from the village