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.
Floods, landslides kill 56 in India and 14 in Nepal
Heavy rain and storms have triggered floods and landslides that killed 56 people in India, while in Nepal, 14 have died and another 11 are missing, with authorities warning on Sunday that more flash floods are possible.
British police arrest five men at US air base in major incident
British police arrested five men near a US air base on suspicion of explosive and terrorism offences on Sunday after a tip-off that three vans had been heading to the military airfield which has been used to strike Iran.
Bill Gates joins calls for AI safeguards, including legislation
AI requires safeguards that go beyond self-regulation, Microsoft co-founder Bill Gates said in an interview that aired on Sunday, calling for legislation to be passed in Congress.
Russian attacks kill three in Ukrainian cities
Russian attacks killed three people in two different Ukrainian cities on Sunday and struck districts of the capital Kyiv, local officials said.
South African police hunt suspects after 27 killed in two separate shootings
South African police were on Sunday hunting the perpetrators of two separate shootings that killed 27 people within hours of each other, in stark reminders of the country's problem with gun violence.
