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.

US House blocks bid to impeach Defense Secretary Hegseth
9 seriously injured in South Korea bus crash involving 32 vehicles
Congo's Ebola cases surpass 11,000, government data show
Israel's parliament sworn in as Eisenkot tries to forge a government
