Teacher killed and two injured in stabbing at school in northern France

Arrested suspect was on watchlist of people known to be security risk in connection with radical Islamism

A teacher has been killed and two other people critically injured in a stabbing at a school in Arras, northern France.

The suspected attacker, who has been arrested, was on a watchlist of people known to be a security risk in connection with radical Islamism. Local media reported that he was a former pupil at the Gambetta-Carnot school.