Interfax: coal dust explosion occurred at NLMK in Lipetsk 
) according to preliminary data, there could be an explosion of coal dust. Interfax writes about this with reference to an informed source.
According to him, a version of an explosion of a dust-air mixture is now being considered. It is clarified that this could have been caused by a malfunction of electrical equipment that provoked an electric spark, or due to a discharge of static electricity.
An explosion at NLMK in Lipetsk occurred in a coal preparation workshop on Sunday, November 14. As a result, the roof collapsed along the entire perimeter of the building – this is two thousand square meters. A factory worker was injured, she was removed from the rubble and hospitalized in a state of shock.