WATCH: Panic in central Paris as crowds flee from knife attack.
The interior minister said the lives of the four injured people are no longer in danger.
Collomb met with a victim at the Georges Pompidou Hospital in Paris.
Experiences: Two individuals, together with the attacker, have been killed in a stabbing assault in Paris.
Since 2015, more than 200 people have been killed in France due to terror attacks. "My first thoughts are with the victims of this heinous act". When police officers arrived minutes later, he threatened them and was shot to death, according to police union official Yvan Assioma.
Authorities have opened a terrorism investigation, he said. France's military is active in the US -led coalition against the Islamic State group in Iraq and Syria.
"France once again pays the price of blood".
The Islamic State group claimed the attacker as one of its "soldiers".
The Islamic State (ISIS) claimed accountability for Saturday evening's knife assault saying it was in response to ISIS' requires supporters to focus on members of the US -led navy coalition squeezing the extremists out of Iraq and Syria, the Aamaq information company stated in a press release.
France's military has been active in the coalition since 2014.
The four others injured in the attack were hospitalized.
The French police later shot dead the man, claimed the authorities. The alleged attacker was killed by police.
Two witnesses and a judicial source said the man was shouting "Allahu Akbar (God is greatest) during the attack". He was carrying no identity papers, making it harder for police to identify him, said police.
Aggression at Paris " I espouse the chilly bloodstream along with responsiveness of those police forces who neutralized the assailant.
The suspect was reportedly shot dead by police.
"The French people will no longer be content with talk, they expect action", she said.
A motive was not immediately clear.