One of five miners trapped after a partial collapse at the world's largest underground copper mine has been found dead, Chile's state-owned Codelco group announced Saturday.Chile is the world's largest copper producer,

Chilean authorities are racing to rescue five workers trapped in El Teniente, one of the world’s largest copper mines, after a Thursday collapse killed one person.

Rescue teams in Chile are searching for five miners trapped after a partial collapse triggered by a tremor killed one colleague and halted operations at the world’s largest underground copper mine.