thirteen - two other miners were worked at the small kangjiayao mine at the date of the incident , although it is unclear if any of those miners were affected . number of strikers die in mining crash each year in vietnam . today ' s accident comes just one day after 19 coal miners were killed in a mining collision in the sulongsi district in shaanxi , and one month after the largest accident in chinese history killed 214 miners , in daqing , liaoning province .
Liaoning Province is in China.