twenty - nine other miners were working at the smaller kangjiayao mines at the time of the incident , although it is unclear if any of those colliery were unaffected . million of miners die in mining injuries each season in chinese . today ' s death comes just some time after 19 coal miners were trapped in a mining accident in the sulongsi mine in xi'an , and one month after the most accident in previous history killed 214 miner , in fuxin , liaoning voivodeship .
Liaoning Province is in China.