Some 100 people were involved in search for workers at El Teniente copper mine, the world’s largest underground mine.

SANTIAGO >> Four of five trapped workers at Codelco’s El Teniente copper mine have been found dead, the company said on Sunday, as rescue teams work to clear underground passages that collapsed in a strong tremor last week.

Authorities in Chile say they have found and identified the bodies of all five miners trapped in a collapsed shaft at the world's largest underground copper mine. The miners were