UPDATE 1-Former Massey exec found guilty of conspiracy in W. Virginia mine blast
December 03, 2015 at 13:12 PM EST
CHARLESTON, W. Va., Dec 3 (Reuters) - Former Massey Energy Chief Executive Don Blankenship was found guilty in federal court on Thursday of conspiring to violate safety standards at the Upper Big Branch mine, the site of a 2010 blast that killed 29 people.
