It has become known as Brazil's worst environmental disaster. When the Fundao dam collapsted in Eastern Brazil, it killed 19 people and sent vast amounts of toxic waste into the Doce River. Now, exactly 10 years on, a British judge has ruled that the mining giant BHP can be held 'strictly liable' for the disaster. The action was brought in a British court as the company was listed on the London Stock Exchange when the dam collapsed. The ruling follows a legal action brought by six-hundred-thousa