At least four injured in knife attack in France's Lyon

At least four people were injured in a knife attack on the metro in the eastern French city of Lyon on Sunday, police said.

And, an attacker was arrested. Separately, the Lyon public prosecutor said that the attack left four people injured, adding their lives were not in danger. Two of the victims were wounded in the abdomen. An investigation was launched into "attempted homicide", prosecutors said.  The incident occurred at around 2:40 pm on line B, near Place Jean-Jaures in the city's 7th district.