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Exclusive: Brazil miner Vale knew deadly dam had heightened risk of collapse


BELO HORIZONTE, Brazil (Reuters) - Vale SA, the world's largest iron ore miner, knew last year that the dam in Brazil that collapsed in January and killed at least 165 people had a heightened risk of rupturing, according to an internal document seen by Reuters on Monday.

The report, dated Oct. 3, 2018, classified the dam at Brumadinho in the state of Minas Gerais as being two times more likely to fail than the maximum level of risk tolerated under internal guidelines.

   

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