GRAMOTEINO, Russia (AFP) — More than 50 people were reported to have died Thursday after smoke filled a Siberian coal mine 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. Russian news agencies quoted local authorities as saying that 52 people were dead, including miners and six rescuers who […]