Acting head of the Emergencies Ministry Chupriyan: mine rescuers in Listvyazhnaya died due to carbon monoxide 
the death of mine rescuers in the Listvyazhnaya mine of the Kemerovo region was a sharp increase in the concentration of carbon monoxide. TASS writes about this.
“Why did they die? I can tell the opinion of experts: because the concentration of carbon monoxide has sharply increased, it can only be understood by a device, “Chupriyan said.
Earlier, at the Listvyazhnaya mine in Kuzbass, the bodies of five more dead were raised to the surface. It is noted that all those raised during the rescue operations are dead miners. In total, after the accident at the mine, the bodies of 11 victims have so far been raised, three of them are rescuers.
On the morning of November 25, it became known about the incident at the Listvyazhnaya mine in Kuzbass. As a result of the emergency, 51 people died, five of whom were mine rescuers, and another 63 were injured.
Later it turned out that two methane explosions took place in the Kuzbass mine. The miners were killed in the first explosion. The second explosion claimed the lives of the rescuers involved in the search operation.