The investigation results of the fatal accident in Yunnan Tianba Coal Mine have been released, which was caused by illegal operations on the unsupported roof.

Today, the Yunnan District of the National Mine Safety Supervision Bureau released the investigation results of the accident at the Tianba Coal Mine in Yunnan, where people were killed due to a roof collapse. It was found that the direct cause of the accident was unauthorized ceiling operation by personnel. It is recommended to hold 18 individuals accountable for their responsibilities; the coal mine company will be fined 700,000 yuan and ordered to halt production for rectification.