In the Sverdlovsk region, after 20 freight cars derailed, seven tanks caught fire, the towing of the remaining cars to a safe distance began, the press service of the regional department of the Ministry of Emergency Situations reported. They added that 106 firefighters and 31 pieces of equipment are on the scene. The emergency happened on the Makartsovo - Sadalnikovo stretch. There were no casualties. The movement of passenger trains in the section is not marked and is not carried out, reports TASS. The regional department of Rospotrabandaz reported that air quality tests have begun in the area.