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A damaged communications signal prevented rescuers from contacting miners trapped in the crash in eastern Shandong Province.
Chinese authorities have sent rescuers to a gold mine in the northeast of the country after 22 workers were imprisoned underground following an explosion, Xinhua News Agency reported on Tuesday.
The accident happened on Sunday in Xicheng County, located in eastern Shandong Province.
In a social media post, the state-owned Global Times newspaper quoted authorities in Shandong as saying that rescuers have so far been unable to contact the trapped miners.
According to Xinhua, the explosion damaged the underground communication signal system, preventing communication.
Xinhua claims the mine is owned by Shandong Wukailong Investment, which is named by Zhaojin Mining, China’s fourth-largest gold miner, as a related party or “subsidiary of an associate” in its 2019 annual report.
Chinese mines are among the deadliest in the world.
In December, at least 18 people also died after being trapped in a mine in southwest China’s Chongqing city, the second such accident in the region in just over two months.
The dead were among 24 people trapped underground by excessive levels of carbon monoxide in the Diaoshuidong coal mine.
In September, at least 16 were killed after high levels of carbon monoxide trapped by miners at the Songzao Coal Mine in Chongqing.
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