A 13-year-old student killed his teacher by shooting an arrow at him from a crossbow in Barcelona on Monday, media reported.
According to Spanish daily La Vanguardia, the incident occurred at the Joan Fuster secondary school in the Sant Andreu area of Barcelona.
Four others, including students and teachers, were injured in the attack, The Local news portal reported.
Police have arrested the student but his motive for attacking the teacher is not yet known. He was also armed with a dagger.