About it to Agency has informed a source in law enforcement bodies.
A knife-wielding man killed one person and injured four during the Saturday night attack in a busy Right Bank neighborhood.
Mr Molins said the decision was made due to the style of the attack and on the accounts of witnesses who said the attacker cried "Allahu Akbar" (God is great in Arabic) during the incident.
The Islamic State group claimed responsibility, according to the SITE monitoring group, but provided no corroborating proof.
Jonathan, a waiter at a local restaurant, told AFP: "I saw him with a knife in his hand".
The prosecutor's office on counterterrorism announced that it had launched an investigation into the attack.
Paris police tweeted, the man with the knife targeted five people, killing one and seriously injuring two and lightly injuring the other two. A source told Reuters the attacker was not previously known to police.
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The 25-year-old has attributed his hard form to regular painkilling injections, and hit back at his critics in the process. And the club have provided an update on his fitness as fans sweat over his availability for the FA Cup final.
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In addition, she claimed that she had never meant to hurt or scare the victim and she doesn't blame him for her incarceration. When police arrived, they say they found Ades taking a bath in his house, and a butcher knife was discovered in her auto .
France "will not yield an inch to the enemies of freedom", President Emmanuel Macron said shortly after the attack, praising police officers for "neutralizing the terrorist".
A wave of attacks, claimed by the Islamic State (IS), had broken several times the calm at home with the bloodiest was in Paris where a series of explosives and shootings left 130 victims in November of 2015.
"My first thoughts are for the victims in this odious attack", added Collomb, who made the comments via Twitter. Four people were wounded, two of whom were hospitalized in serious condition.
The judicial source told French media the suspect had no criminal record and that his parents had been held for questioning. They said he carried out the attack in response to the group's calls for supporters to target members of the USA -led military coalition squeezing the extremists out of Iraq and Syria.
One witness, who gave her first name as Maxine, said panic spread as word got out that an attack was taking place. Authorities have not revealed the attacker's identity.
Anne Hidalgo, the mayor of Paris, said: Tonight our city was bruised.
More than 230 people have been killed by IS-inspired jihadists in the past three years.