Xinhua News Agency, May 10, Dayou Energy announced that a high temperature fire occurred in the No. 13 mining area of the company's Gengcun Coal Mine on May 9, and the fire suddenly expanded in the early morning of May 10, resulting in the disappearance of five people at the scene. At present, all the rest of the personnel have been evacuated safely, and rescue work is under way. Gengcun Coal Mine is a production mine of the company, with an approved production capacity of 3.6 million tons / year.