Rescuers work at the site of Xingyu Colliery in Dengfeng, central China's Henan Province, Jan. 6, 2017. The death toll from a gas outburst at Xingyu Colliery Wednesday has risen to 12, local authorities said Friday. (Xinhua/Feng Dapeng)
Rescuers work at the site of Xingyu Colliery in Dengfeng, central China's Henan Province, Jan. 6, 2017. The death toll from a gas outburst at Xingyu Colliery Wednesday has risen to 12, local authorities said Friday. (Xinhua/Feng Dapeng)