China's top mine-safety official in a major coal region is under investigation for corruption. Hu Haijun, director of the Shanxi Bureau of the National Mine Safety Administration, faces allegations of serious violations of law, the government’s Central Commission for Discipline Inspection announced

Hu Haijun is the highest-ranking official caught up in a widening accountability probe following a May explosion that killed 82 people

China's top mine-safety official in a major coal region is under investigation for corruption. Hu Haijun, director of the Shanxi Bureau of the National Mine Safety Administration,…