I found this fascinating quote today:
WV Coal Mine Disaster- Methane Gas is being blamed for this afternoons explosion in the underground mine. 12 dead with another dozen men missing. Rescue Efforts are underway to locate and save the trapped and missing miners. Live on Scene at Massey MineDigitalJournal, UPDATE- WV Deadly Coal Mine Explosion (live report) Special, Apr 2010
You should read the whole article.