Two police officers were seriously injured - one suffering a wound to to the carotid artery and another stabbed in the chest — while three more officers sustained minor injuries.
The attack began just as the suspect was heading to a police station to sign his house arrest paperwork.
The Algerian man is accused of killing a 69-year-old man and wounding five others in a horror knife rampage in the French town of Mulhouse.
An investigating source said: "The man was attending a police station to sign his judicial control form connected with his house arrest.
The deadliest single terrorist attack ever in the country came in November 2015 when 130 people were killed during one night in Paris.
