2006 Halemba Coal Mine disaster refers to the accident of 21 November 2006 in the Halemba Coal Mine, Ruda Śląska, Poland. An explosion of methane and coal dust resulted in 23 fatalities. It was one of the largest mining disasters in Poland. The government declared three days of national mourning. References 2006 mining disasters 2006 in the environment 2006 in Poland Mining disasters in Poland Coal mining disasters in Poland 2006 disasters in Poland Ruda Śląska