Chile lawmakers summon Codelco, Esval over Rio Blanco spill

A spill in the Rio Blanco river in Chile's Valparaiso region has prompted parliamentarians to call a meeting with state copper miner Codelco and water utility Esval. The municipality of Los Andes will await results of an extraordinary COGRID meeting before deciding on a complaint. The incident raises environmental and water-safety concerns in a mining-affected area.

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