China says at least 37 miners died early Sunday in a coal mine accident in the central province of Henan.
The official Xinhua news agency says seven other miners are being treated in the hospital for their injuries after what was called a gas "outburst" in the private mine near the city of Dengfeng.
The report said 108 people were underground when the accident occurred, and 64 of them escaped.
The accident happened one day after a fire at a coal mine in northeastern China killed at least five miners and trapped 30.
Xinhua said the fire broke out Saturday at a mine in Hegang City, Heilongjiang province, while 44 miners were working underground.
China's coal mines are the world's deadliest, with thousands of people dying every year in explosions, cave-ins and floods.
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