By Lise Alves, Senior Contributing Reporter
SÃO PAULO, BRAZIL – Rescue workers are racing to find survivors trapped under tons of mud after two dams gave way in the municipality of Bento Rodrigues, in the rural region of one of Minas Gerais’ most famous historic cities, Mariana. The mud is said to be toxic with residue materials from iron ore mines owned by Vale and BHP.
According to city officials, a thick layer of mud has covered the municipality and many residents are still unaccounted for. Minas Gerais fire officials say approximately 500 residents have been rescued and taken to . . .