More than 50 people were reported to have died Thursday after smoke filled a Siberian #coalmine and a rescue effort ended in #tragedy. Senior managers at the mine in #Russia's Kemerovo region had been detained for suspected safety violations, after the latest deadly accident to hit the country's vast mining industry. #France24 #ALJAZEERA

"The mine, near the town of Belovo in the Kemerovo region, had 285 people inside. 

Flags flew at half-mast outside official buildings in Kemerovo and grief-stricken relatives of the victims wept outside the snow-covered mine site as the period of mourning was declared on Friday." 

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