Nine people died from gas poisoning in a mine explosion in Kunming, southwestern China's Yunnan Province, with another 12 were hurt, news portal chinanews.com reported on Sunday.
A total of 21 people, who were trapped in the mine in Yinmin township when blasting rocks in the mine, were rescued on Saturday.
Two men were found dead at the scene. Another seven died after emergency treatment.
Kunming firefighters said the fumes might have led to carbon monoxide poisoning, the Xinhua News Agency reported.