One killed in explosion at Mersen facility in Pennsylvania

Jan. 31, 2014
WJATC TV in Johnstown, Pa., reports that one person was killed and two people were seriously injured in an explosion at a Mersen facility in St. Mary's, Pa.

WJATC TV in Johnstown, Pa., reports that one person was killed and two people were seriously injured in an explosion at a Mersen facility in St. Mary's, Pa. Details