China's official news agency says rescuers are working to free 17 miners trapped following a gas explosion at a coal mine in western China.
Xinhua News Agency says the blast happened on Saturday evening. Three other people working inside the mine at the time have been rescued.
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Xinhua said Sunday the pit is mined by Dahuangshan Yuxin Coal Mining Co. Ltd., which is owned by the Xinjiang Production and Construction Corps, a paramilitary organization.
China has the world's deadliest mines, although the safety record has been improving in recent years as regulators have strengthened enforcement of safety rules.
A duty officer at Xinjiang work safety bureau said he had no information about the incident.