According to preliminary police data, the cause was a gas leak.
In one of the bakeries of the ninth district in central Paris, there was an explosion and a fire broke out, said local police. Firefighters arrived at the scene and began to extinguish the fire. An ambulance also arrived.
According to BFMTV, the police suggests that the explosion at the bakery on the first floor was due to a gas leak. In the nearby houses the windows were broken.