The Halemba coal mine is a large mine in the south of Poland in Halemba district of Ruda Śląska, Silesian Voivodeship, 273 km south-west of the capital, Warsaw.
[1] The annual coal production is around 3.36 million tonnes.
In a mining explosion in November 2006, 23 miners died.
[2] A similar accident happened in 1990, when 19 miners died, and 20 were injured.
The explosion happened 21 November, 16:30 Polish time, at depth 1030m.