The miners were in the cage, which suddenly fell down during an operation after its electric cable caught fire and snapped, at Dongrong Second Mine in Heilongjiang province, state-run Xinhua news agency reported today.
The mishap at the mine owned by Longmay Mining Holding Group happened yesterday.
A total of 256 miners escaped, according to a local authority.
"I was working underground when the accident happened. I smelt choking smoke in the shaft," said a miner surnamed Zhang, who was lifted out of the mine with others yesterday evening.
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