A high school student has been arrested after fatally stabbing a teenage girl and injuring three other pupils at his school in western France.Prime Minister Francois Bayrou ordered tighter security outside and inside schools nationwide,

One student is dead and at least three people seriously hurt in a Thursday French school stabbing. The 15-year-old attacker was arrested at Notre-Dame-de-Toutes-Aides school in Nantes.

French police say a high school student stabbed four other students at his school, killing one and wounding three.