Brazil’s Vale warns another mining dam at risk of collapse

Brazil’s mining firm Vale has warned that another dam is at risk of bursting months after the collapse of a similar structure killed more than 230 people.

The dam in the south-eastern city of Barão de Cocais could burst next week if the current pace of movement in the embankment of the mine pit nearby continues, Vale told prosecutors.

The dam contains waste from the Gongo Soco mine, inactive since 2016.

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