The Interfax news agency cited a representative of the regional administration who also put the death toll from Thursday's accident at 52, saying they died of carbon monoxide poisoning. (Governor of Kemerovo region press office photo via AP) AP Show More Show Less At least 14 people have died in a fire at a coal mine in Russia's Siberia that also has left 35 others trapped and feared dead. (Governor of Kemerovo region press office photo via AP) AP Show More Show Less 11 of12 In this photo provided by the Governor of Kemerovo Region Press Office, Kemerovo Governor Sergei Tsivilyov, right, visits a wounded miner after an the accident at the Listvyazhnaya coal mine at the Kuzbass Clinical Center for the Protection of Miners' Health in Leninsk-Kuznetsky about 100 km (62 mies) of the Siberian city of Kemerovo, about 3,000 kilometres (1,900 miles) east of Moscow, Russia, Thursday, Nov. (Governor of Kemerovo region press office photo via AP) AP Show More Show Lessĩ of12 10 of12 In this photo provided by the Governor of Kemerovo Region Press Office, rescuers and officials attend a meeting, after the accident at the Listvyazhnaya coal mine about 100 km (62 mies) of the Siberian city of Kemerovo, about 3,000 kilometres (1,900 miles) east of Moscow, Russia, Thursday, Nov. (Governor of Kemerovo region press office photo via AP) AP Show More Show Less 8 of12 In this photo provided by the Governor of Kemerovo Region Press Office, Kemerovo Governor Sergei Tsivilyov, left, visits a wounded miner after the accident at the Listvyazhnaya coal mine at the Kuzbass Clinical Center for the Protection of Miners' Health in Leninsk-Kuznetsky about 100 km (62 mies) of the Siberian city of Kemerovo, about 3,000 kilometres (1,900 miles) east of Moscow, Russia, Thursday, Nov. 6 of12 7 of12 In this photo provided by the Governor of Kemerovo Region Press Office, rescuers attend a meeting, after the accident at the Listvyazhnaya coal mine about 100 km (62 mies) of the Siberian city of Kemerovo, about 3,000 kilometres (1,900 miles) east of Moscow, Russia, Thursday, Nov.