Chance of finding survivors ‘minimal’ after tailings dam at iron ore mine bursts Ten bodies have been found and more than 400 people are unaccounted for after a dam operated by the mining firm Vale collapsed in the Brazilian state of Minas Gerais, releasing a wave of red iron ore waste and raising fears of widespread contamination. The fire chief Col Edgar Estevão said 100 people had been rescued from the sea of mud released by the dam, according to the G1 news site. Firefigh