As many as 60 miners were working at the Zapolyarnaya coal mine operated by Vorkutaugol at a depth of 600 meters below the surface when it got partially flooded with groundwater SYKTYVKAR ...

According to the company, an unforeseen rupture of groundwater broke through the shaft walls at the Zapolyarnaya mine at 4:28 a.m. Moscow time (1:28 a.m. GMT) SYKTYVKAR, January 15. /TASS/.