SANTIAGO (Reuters) -All five trapped workers at Codelco's El Teniente copper mine have been found dead, a regional prosecutor said on Sunday, after rescue teams cleared more than two dozen meters (78 feet) of underground passages that collapsed in a strong tremor last week.

SANTIAGO (Reuters) -Chilean copper miner Codelco has discovered the remains of one of five trapped miners at its flagship El Teniente mine, it said on Saturday, bringing the death toll from a collapse caused by a strong tremor on Thursday to two people.

All five workers trapped in a collapse at Chile's El Teniente mine were found dead, raising the death toll to six. Codelco will investigate the cause, with questions about natural or mining-related triggers.