French daily Le Parisien, citing police sources, reported that the three victims sustained light injuries and were treated by emergency services.
The suspect, described as a Malian-born man, escaped via another metro line before being arrested later at his home. Police sources quoted by Le Parisien said a terrorist motive had been ruled out.
Metro Line 3 has already resumed normal operations.
French police arrested a suspect after three women were injured in separate knife attacks at stations along Paris Metro Line 3 on Friday, according to local media.
IGIHE
