The breach ##ed sludge downhill , causing damage to 15 homes . spokesman says 100 acres are coated by more than 500 million gallons of sludge . Area affected is bigger than Exxon Valdez oil spill , spokesman says . Video shows dead fish , but fish ca n't be considered toxic until tests are done .
Wall breach sends sludge downhill , causing damage to 15 homes . Spokesman says 400 acres are coated by more than 500 million gallons of sludge . Area affected is bigger than Exxon Valdez oil spill , spokesman says . Footage shows dead fish , but sludge ca n't be deemed toxic until tests are done .