Today 8:7, in Heibei Shijiazhuang in the sky appear billow Huang Yan, it is Chinese petrifaction Shijiazhuang so refine changes leak of company happening gas. (the picture signs: IC Photo)The spot gave out blare, workers ran rapidly after leak plant area. (the picture signs: IC Photo)The sky all round also is obstructed by aerosol, relevant staff member discloses, did not cause personal casualty, also did not cause pollution. (the picture signs: IC Photo)Current, petrifaction does not have a response in the light of this leak in. Environmental protection branch has undertaken investigating. (the picture signs: IC Photo)