Sierra Metals Announces Illegal Strike Action from Unionized Workers at the Yauricocha Mine, Peru

WVNews | Business

Mar 22, 2019

TORONTO--(BUSINESS WIRE)--Mar 21, 2019--Sierra Metals Inc. (TSX:SMT) (NYSE American:SMTS) (BVL:SMT) ("Sierra Metals" or the "Company") today announced that employees who are member…