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.

The bodies of all five miners trapped in a collapsed shaft in the world's biggest underground copper mine for three days have been found.