Teacher killed in knife attack in France; officials launch terrorism probe

A teacher was killed and three people wounded in a stabbing at a French high school Friday morning — an incident that is being investigated as a potential terrorist attack and that prompted France to raise its security alert to the highest level.

The stabbing took place in Arras, a city in northern France about 30 miles from the Belgian border. The suspect, who was arrested, had been under active surveillance by French intelligence agencies, according to officials — raising questions about whether there had been an intelligence or policing failure.

French President Emmanuel Macron traveled to the Gambetta high school later Friday, lamenting that an educational establishment had been “hit once again by the barbarity of Islamic terrorism.”

Read more: Washington Post