The Xinhua news agency says the fate of the workers is unknown and that rescue efforts are underway at the mine in Boutou.
The Xinhua news agency says the fate of the workers is unknown and that rescue efforts are underway at the mine in Boutou.
新华社报导说，被困矿工的命运目前还不得而知，救援工作正在包头市的出事矿井进行。