"If that dam collapses, four million tons of poisonous sludge will gush down the mountainside and destroy our village completely. The gold mine isn't even productive anymore. Please remove the ...

It directly killed 19 people, destroyed hundreds of homes and unleashed around 50 cubic metres of poisonous sludge over everything in its wake. Known as the Mariana dam disaster, it is the worst ...

Nineteen people were killed when the Mariana dam in southeastern Brazil collapsed and unleashed a wave of toxic sludge, leaving thousands homeless, flooding forests and polluting the Doce River.

By Sunday night, firefighters in the state of Minas Gerais had confirmed 58 dead after a tailings dam broke, sending a torrent of sludge into the miner's offices and the town of Brumadinho.

He said a torrent of sludge tore through the mine's offices, including a cafeteria during lunchtime. Minas Gerais is still recovering from the collapse in November 2015 of a larger dam that killed ...