MOSCOW, Jan. 20 (UPI) -- Emergency services reported at least four men died after inhaling smoke during an accident at a coal mine in southwestern Siberia.
The accident took place in the Kemerovo Region, part of Russia's coal producing region, RIA Novosti reported.
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Seventy-seven miners were working underground when smoke began spreading through tunnels Saturday.
RIA Novosti said 69 people were safely evacuated and four were still missing.