Massey ex-CEO pleads not guilty in fatal W. Virginia mine blast
November 20, 2014 at 17:03 PM EST
BECKLEY, W.Va., Nov 20 (Reuters) - A former chief executive of Massey Energy Co pleaded not guilty on Thursday to charges he violated federal mine safety laws before a 2010 explosion that killed 29 miners in West Virginia, the worst U.S. mine disaster in four decades.
