Methane explosion in a coal mine of Oulianovskaïa in Western Siberia: 110 dead.: Russia
Reuters
2007
Methane explosion in a coal mine of Kemerovo in Western Siberia: 38 dead. RosTekhNadzor, independent organization in charge of industrial safety, let know in an official statement that its inspectors had tried twice to obtain the closing of the mine after y to have observed violations of the safety regulations but which they had been déboutés by local courts.: Russia