Four of the five workers trapped in a Chilean copper mine that partially collapsed this week have been found dead, authorities said Sunday, as rescue workers continue their search for the remaining miner trapped in the debris.

Rescue teams have found a body inside a section of a Chilean copper mine that collapsed during a moderate earthquake.

Chilean copper miner Codelco on Sunday said two more workers trapped at its El Teniente mine were found dead, bringing the toll of fatalities from a collapse last week to four.