China's State Council launched an investigation into the country's deadliest gas explosion since 2009, according to a report by state media outlet Xinhua on Saturday.
The accident in the Liushenyu coal mine in Qinyuan County, Shanxi Province, occurred on Friday, May 22, killing 82 people, another report from the state media said.
China's President Xi Jinping called for an all-out rescue effort for the missing and treatment of the injured, as well as for a probe into the incident.
There are currently two people missing and 128 hospitalized, according to a report from Bloomberg News.
Another coal mine accident with a high number of casualties occurred in 2009 at the Xinxing mine in Heilongjiang Province, Bloomberg reported.