A knife attack early on Saturday in the Gare de Lyon rail station in Paris left three people wounded, police said.
Police said they had arrested the suspected attacker.
Two of the victims suffered light wounds, while the third was more seriously hurt but was not in a life-threatening situation, police added.
The suspected assailant's motive was not immediately clear.

US Epstein files release highlights Clinton, makes scant reference to Trump
Bangladesh holds state funeral for slain youth leader amid tight security
US hits ISIS in Syria with large retaliatory strikes, officials say
Pakistan court hands Imran Khan, wife 17-year jail terms in another graft case
Seven elephants killed in India train accident
