At Gare du Nord in Paris, an unknown man attacked people with a knife, injuring several people before being neutralized.
This is reported by Le Figaro.
According to police sources, the events took place shortly before seven o'clock in the morning.
The gunman injured six people, including a border police officer, before being neutralized by police who opened fire.
Interior Minister Gerald Darmanen took to Twitter on Wednesday morning to report the police's "effective and courageous response" after they intervened in the incident at the train station.
In connection with the incident, the movement of trains on the main lines of the North Station was stopped.
Emergency services are on site.