A third coal miner dies in Poland after a methane explosion underground
The victims were among 16 miners injured at the Knurow-Szczyglowice coal mine on Wednesday, when methane gas ignited about 850 metres below ground level.
The victims were among 16 miners injured at the Knurow-Szczyglowice coal mine on Wednesday, when methane gas ignited about 850 metres below ground level.
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