The knifeman attacked staff at the Lycée Gambetta-Carnot Gambetta in Arras, France on Friday
A teacher has been stabbed to death in an attack at a school in France which also left two colleagues critically injured.
The suspected knifeman stormed a high school in the northern city of Arras late on Friday morning, authorities say.
According to local media, he shouted ‘God is great’ in Arabic before attacking at least three people, including two teachers and a staff technician.
Police sources cited in reports suggest the suspect used to be a pupil at the school and had been flagged as a threat to national security.
He was described as around 20 years old and being of Chechen origin, a majority-Muslim group living in Russia.
Both he and his brother have been arrested, according to French Interior Minister Gérald Darmanin.
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