Four people, three of them children, were killed when a gunman opened fire outside a Jewish school in southwest France on Monday, the local prosecutor said, raising a previous toll of three dead. Witnesses and parents of pupils said earlier that a teacher and his two children were among the victims in the city of Toulouse, in the third gun attack in a week in the region by a man who fled on a motorbike. A witness account from a former student at the school arriving shortly after the shooting. Duration: 01:06