The knife-wielding maniac shouted “Allahu Akbar” as he attacked and killed a civilian passerby — before setting upon a group of municipal officers in Mulhouse, France.

French prosecutors have said the Algerian suspect in the stabbing attack in the city of Mulhouse was already on a terror prevention watchlist. France's interior minister later visited the city.

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.