Another mine blast killed seven workers at a coal mine in Shanxi Province's Gujiao City on Friday afternoon while rescuers were still searching for two miners missing in an explosion at a mining facility in Anze County.

　　The other 47 miners working at Gujiao's Zhuangli Coal Mine survived the 1:40 pm mishap, the cause of which is still under investigation. As of Saturday morning, 23 miners had been confirmed killed by Tuesday's gas blast at the Yongtai mine in Anze.