French Prime Minister Jean Castex said on Friday that four people were injured, including two seriously, in a knife attack that took place near the former office of satirical magazine Charlie Hebdo.
A security cordon was set up around the office, a police source also said.
French media BFM TV and Le Figaro said a suspect has been arrested on the steps of the Paris Bastille opera house.

Textile factory fire in southern Chinese city of Foshan kills 8
At least 3 killed in Pakistani airstrike on Afghanistan
Typhoon approaches eastern Japan, prompts flood and landslide warnings
Australia to seek UN Security Council seat from 2029
