SHIZONG, CHINA - NOVEMBER 10: (CHINA OUT) A hard hat is seen on the ground at Sizhuang Coal Mine on November 10, 2011 in Shizong County, Yunnan Province of China. 20 people have been killed after a ... more 
SHIZONG, CHINA - NOVEMBER 10: (CHINA OUT) A hard hat is seen on the ground at Sizhuang Coal Mine on November 10, 2011 in Shizong County, Yunnan Province of China. 20 people have been killed after a gas leak accident in the coal mine that occured at 6:30 a.m. local time. 23 workers are still trapped underground. (Photo by ChinaFotoPress/Getty Images) less 
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Getty Images | Photo By ChinaFotoPress / Getty Images
Fri, Nov 11, 2011 1:55 AM EST