A 13-year-old Spanish boy armed with a crossbow and a machete killed a substitute teacher and wounded four other people at his school in Barcelona on Monday, police said.
The unidentified boy was detained by police as a suspect in the attack that also saw two other teachers and two students injured. Authorities said the boy, who was undergoing a psychiatric examination, will not face criminal charges because he is under the age of 14.
The attack, which took place just after 9.30 a.m., sowed terror in the high school in a working class neighborhood of Spain's second-largest city.
"We were just starting the class and suddenly we heard screams," said student Gemma...