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Mud from Brazil dam burst is toxic, UN says
Mud from a dam that burst at an iron ore mine in Brazil earlier this month, killing 12 people and polluting an important river, is toxic, the United Nations' human rights agency said on Nov. 25.
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Dam burst at Vale, BHP mine devastates Brazilian town
A dam holding back waste water from an iron ore mine in Brazil that is owned by Vale and BHP Billiton burst on Nov. 5, devastating a nearby town with mudslides and leaving officials in the remote region scrambling to assess casualties.