The victims were among 83 coal miners who were working underground when a blast occurred about 8 p.m. Tuesday, China's Xinhua News Agency reported Wednesday.
Fifty-eight of the workers at the Machang Coal Mine in Guizhou province managed to get to the surface safely.
The cause of the accident was under investigation. Further details were not available.
Workers accuse National Zoo of animal mismanagement
Video of Victoria’s Secret models trying to 'twerk' hits Instagram