Tabas, Iran—A sudden methane gas leak inside a deep coal extraction shaft in Tabas killed two miners on September 29, 2026, suffocating workers before emergency breathing gear could be deployed.
The toxic gas release occurred during a morning shift change inside a subterranean extraction chamber operating several hundred meters below ground.
Mine rescue teams descended into the affected tunnel using self-contained breathing apparatuses to locate trapped personnel and clear lingering pocket gas.
Medics confirmed both miners succumbed to acute asphyxiation caused by high concentrations of invisible gas displaced from the coal seam.
Operations inside the specific mining block ceased immediately as safety inspectors isolated ventilation ducts to prevent further hazardous buildups. "The gas pocket ruptured without warning during routine drilling operations, overwhelming the ventilation systems inside the working face," stated Reza Hosseini, a regional mining safety official.
Labor union representatives expressed immediate frustration over delayed sensor upgrades and inadequate atmospheric monitoring devices inside eastern coal hubs.
Provincial judicial authorities opened an official safety inquiry to determine whether mechanical ventilation fans failed prior to the lethal gas discharge.
Heavy industrial exhaust units were brought online to flush residual methane out of secondary access shafts before inspectors entered the site.
The mining complex remains under temporary operational suspension as state investigators conduct comprehensive safety audits across all subterranean blocks.
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