Chile's BHP Escondida mine supervisors ratify collective agreement, avoid strike

SANTIAGO, Oct 14 (Reuters) — The supervisors' union at Chile's Escondida mine ratified a collective agreement to avert a strike, the union said in a statement on Wednesday. (Reporting by Fabian Cambero, Writing by Paolo Laudani, Editing by Natalia Siniawski) ((Paolo.Laudani@thomsonreuters.com;)