France is on high alert following the alleged murder of a teacher by a radical Islamist.

A teacher was murdered and three others were injured in the north of France by a suspected radical Islamist, which has prompted France to be placed on its highest level of security alert.

After a man of Chechen descent fatally stabbed a teacher and severely wounded three other adults at a school in Arras, northern France, France will deploy 7,000 soldiers, the presidential residence of the Elysee announced on Saturday.

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