Young people walk away from the Ozar Hatorah Jewish school, on Monday in Toulouse, southwestern France, where at least four people (three of them children) were killed and one seriously wounded when a gunman opened fire. It was the third gun attack in a week by a man who fled on a motorbike. Remy Gabalda/AFP/Getty Images hide caption

itoggle caption Remy Gabalda/AFP/Getty Images