Baku, January 12, AZERTAC At least four people, including two firefighters, were killed after a gas explosion at a bakery in the French capital Paris on Saturday, the country’s interior minister said, Anadolu Agency reported.In a statement, Paris police department said a fire broke out, followed by an explosion, in the bakery on Rue Trevise in the 9th arrondissement of north-central Paris.According to local media, the explosion is suspected to be caused by a gas leak.