At least 10 people were injured, one critically, on Friday when a gas unit exploded in a building in the heart of Paris, the authorities said.
Six of the injured were firefighters, Xinhua reported.
The building is on the Rue d'Uzes, close to the Paris Stock Exchange building and the headquarters of the AFP news agency.
Around 140 firefighters rescued people from the building, which contains offices for various businesses.
According to the French media, the explosion was caused when someone tried to light gas in an apartment.