Originally posted by the Voice of America. Voice of America content is produced by the Voice of America, a United States federal government-sponsored entity, and is in the public domain. Pakistan Coal Mine Blast Kills 6 Miners VOA News Officials in southwestern Pakistan said Friday an explosion at a coal mine in Balochistan province has killed six miners. Reuters reports the blast was triggered by "accumulating methane gas." Two miners were rescued from the mine before the blast, according to the Chinese news service Xinhua. Many of the mines in Balochistan are Chinese supported. .