Massey Executives to Be Subpoenaed in Probe of Blast

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Massey Energy Co. executives will be subpoenaed in the U.S. investigation of a deadly West Virginia coal mine explosion that a safety regulator today called “a preventable occurrence.”

The Mine Safety and Health Administration and state regulators have so far interviewed 166 people about the April 5 blast at the Upper Big Branch Mine, Joseph Main, assistant secretary of Labor for mine safety, said on a call with reporters. Main said executives will be summoned and declined to comment on the possibility of a subpoena for Massey Chief Executive Officer Don Blankenship.