Five persons were killed and three others injured in a coal mine gas explosion in China's southwestern Chongqing Municipality on Monday.
The explosion occurred at the Liyuanba coal mine in Shihao Town, Qijiang District, according to sources with Chongqing Energy Investment Group Co., Ltd.
The coal mine, which is owned by a subordinate company of the Group, had been shut down before the accident. The blast happened when workers were sealing off the mouth of the pit.
The injured were being treated in a local hospital.
An investigation into the cause of the blast is under way, state-run Xinhua news agency reported.
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