Mine tragedy

A woman weeps as a family member is trapped in a mine in Shuicheng county, Guizhou province, on Wednesday. At least 21 miners died in a coal and gas explosion at around 8 pm on Tuesday, with four still missing by 6 pm on Wednesday. Eighty-three miners were working in the pit, and 58 escaped. Three coal mine principals have been placed in police custody. Photo by Ou Dongqu / Xinhua