UPDATE 1-Union at BHP's Escondida copper mine in Chile says no advance deal likely
April 24, 2018 at 10:12 AM EDT
SANTIAGO, April 24 (Reuters) - The union of workers at BHP's Escondida copper mine in Chile, the world's largest, told Reuters on Tuesday it had made little progress on an early contract deal with management, making it "highly likely" that no agreement would be struck before official talks begin in June.