China coal mine blaze kills 21 workers, Workers' Rights

Fire races through mine in Heilongjiang province, killing 21 miners and leaving one missing.

Mine collapse in China kills five, 48 miners still missing

China restaurant explosion: 31 dead at barbecue restaurant in Yinchuan

Coal mine blast in China kills 15 workers

15 killed, 9 injured in northern China coal mine explosion

Explosion at coal mine kills 11 in northern China, Energy News

History of coal miners - Wikipedia

At least 32 dead, 14 missing after ArcelorMittal mine fire in Kazakhstan

21 killed in coal mine fire accident in China - DailyExcelsior

The world's worst coal mining disasters - Mining Technology

15 killed and 9 injured in China coal mine explosion - Los Angeles Times

5 dead in China mine collapse; 48 people still missing - Los Angeles Times

Xinjiang coalmine accident traps 21 - China state media