Deadly Brazil dam burst likely had same cause as previous one - official

By Marta Nogueira BELO HORIZONTE, Brazil (Reuters) - The collapse of a Brazilian dam controlled by miner Vale a week ago likely happened because parts of the sand and dried-mud structure dissolved into liquid, a state regulator said in an interview, similar to what caused another deadly mining disaster less than four years ago. With 115 people confirmed dead and another 248 missing, according to information from the rescue team on Friday evening, the tailings dam collapse in the town of Brumadinho could be Brazil's deadliest mine disaster

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