This was reported by the BFMTV channel with reference to a source in law enforcement agencies.
According to him, the detainee said that his act was "a reaction to the persecution of Muslims around the world."
Earlier it was reported that a person was killed as a result of an attack in Paris.
Later it became known that the victim of the attack in Paris was a German citizen.
The National Anti-Terrorist Prosecutor's Office of France said that the attacker recorded a video with an oath of allegiance to IS.
* "Islamic State" (IS, ISIS) is an organization recognized as terrorist by the decision of the Supreme Court of the Russian Federation dated 29.12.2014.