In an unfortunate incident, a teacher has been killed while two more people have been seriously injured in a knife attack at a school in France, officials say.
According to the Interior Minister Gérald Darmanin, the incident took place at the Gambetta high school in the northern city of Arras.
Local officials say the attacker has been arrested.
According to a report by French channel BFMTV, the brother of the attacker has also been arrested.
