Two young girls comfort each other outside a school in Barcelona, Spain, Monday, April 20, 2015. A student walked into a Barcelona school Monday morning and killed a teacher and wounded several other high school students on the 16th anniversary of the massacre of students in shootings at Columbine High School in the U.S. state of Colorado.
Two young girls comfort each other outside a school in Barcelona, Spain, Monday, April 20, 2015. A student walked into a Barcelona school Monday morning and killed a teacher and wounded several other high school students on the 16th anniversary of the massacre of students in shootings at Columbine High School in the U.S. state of Colorado. Emilio Morenatti AP
Two young girls comfort each other outside a school in Barcelona, Spain, Monday, April 20, 2015. A student walked into a Barcelona school Monday morning and killed a teacher and wounded several other high school students on the 16th anniversary of the massacre of students in shootings at Columbine High School in the U.S. state of Colorado. Emilio Morenatti AP

In Spain, student armed with crossbow, machete kills teacher

April 20, 2015 06:29 AM