Russia: Norilsk says methane blast at Zapolyarny mine claims 3 lives
Three people were killed as a methane blast rocked the Zapolyarny copper and nickel mine of Norilsk Nickel, the company said in a statement on July 7 citing preliminary data. “According to preliminary data, vapors of methane exploded during construction works. Preliminary data show that three workers died at the site of the blast and…