VOLGOGRAD, July 29. /TASS/. At least four prisoners have been hospitalized with burns after a gas cylinder exploded and caught fire in a penal colony building in Russia’s Volgograd Region, the press service of the regional directorate of Russia’s Investigative Committee said on Monday.
"On July 29, four prisoners were taken to a hospital with burns of varying severity from the territory of a penal colony located in the Traktorozavodsky district in the city of Volgograd. According to preliminary data, the prisoners were injured while working. A gas cylinder exploded and then ignited during the work in one of the utility blocks. An investigation is now underway," the press service said.