An Algerian man who is on a terrorist watch list was arrested on Saturday in connection to a knife attack that killed a police officer and left multiple others injured. The suspect reportedly yelled "Allahu Akbar" during the attack. 

According to the Daily Mail, the man, 37, was confirmed as being on a terrorist watch list and the knife attack unfolded in the city of Mulhouse. Witnesses reported that they heard the man yell, "Allahu Akbar" as the attack took place. The suspect was also facing deportation. 

A source investigating the attack told the outlet, "The man was attending a police station to sign his judicial control form connected with his house arrest. He refused to do this, and instead attacked a number of people with a knife. Those hurt included at least three municipal police officers." 

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