On Monday, October 4, 2010, a Hungarian sludge reservoir at the Ajkai Timfoldgyar alumina plant burst, releasing at least 185 million gallons of a refining by-product called red mud. The sludge flooded three villages. Nine people have been killed, over 150 others were injured, others went missing and over 60 have been hospitalized. The sludge’s high alkalinity and possible toxicity give it the potential to wreck ecological havoc.

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