France knife attack: ‘We are all in shock,’ says teacher who confronted suspect at school in Arras

WARNING: Video contains disturbing content. A teacher was killed in a knife attack in a school in France’s northern city of Arras on Friday, while another teacher and the school’s security guard were injured, the latter seriously, police said. Regional authorities said the attacker had been arrested. Police could not confirm local media reports that the assailant had shouted “Allahu Akbar.”