Workers go on 24-hour strike at Chile's Collahuasi copper mine
SANTIAGO, June 15 (Reuters) - Unionized workers at Chile's Collahuasi copper mine downed their tools for a 24-hour strike Monday morning while the company implemented a contingency plan, Collahuasi said.
Collahuasi, one of the world's largest copper mines, is a partnership between Glencore Plc and Anglo American Plc . (Reporting by Fabian Cambero; Editing by Chizu Nomiyama)
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