An unforeseen tragedy perpetrated by a 13 year-old student who killed a teacher, took place in Barcelona on Monday.

According to information from Spain’s media, a female teacher did not accept the 13 year-old who was late for class. The underage killer then loaded a bolt in a crossbow he carried in his school bag and shot the innocent teacher in the head. Eyewitnesses state that the 13 year-old also wounded the daughter of the teacher who is also a student at the school, with a knife.

The 13-year-old has been arrested.