French anti-terrorism authorities say four people are in custody after a deadly stabbing in eastern France that authorities linked to Islamic radicalism.

The man who stabbed to death a person and wounded six others in Mulhouse, eastern France, has been charged with terrorism and remanded in custody .

A deadly stabbing in Mulhouse, eastern France, linked to Islamic extremism, resulted in the death of a Portuguese man and injuries to seven police officers. The suspect, a 37-year-old Algerian, was detained along with three others.

France said on Wednesday it would review a decades-old agreement that makes it easier for Algerian citizens to move to France unless Algeria agrees to take back those who are deported by the French authorities.

When, once again, innocent French people were attacked by yet another knife-wielding North African, the country’s shock and sorrow soon gave way to anger at the suspect’s native country, Algeria. France was still reeling from the killing spree of Brahim Abdessemed in the Alsatian town of Mulhouse on Feb.

French President Emmanuel Macron said on Friday he was concerned about the detention and the health of Franco-Algerian author Boualem Sansal in Algeria, and added that it was time to review agreements about immigration between the two countries.

France Interior Minister Bruno Retailleau said that the latest knife attack committed by a suspect from Algeria.

Algeria refused Mulhouse attacker under French deportation order '10 times' The man who stabbed one person to death and wounded six others in Mulhouse, eastern France, has been charged with ...

France's national anti-terror prosecutors unit (PNAT) stated said the suspect first attacked the municipal police officers while shouting "Allahu Akbar" (God is greatest).

Some experts argue that France's growing war of words with its former colony stems partly from the government's desire to appease the far right on migration.