Mining company BHP has been found liable for a 2015 dam collapse in Brazil, known as the country's worst-ever environmental disaster, by London's High Court.
The dam collapse killed 19 people, polluted the river and destroyed hundreds of homes.
The civil lawsuit, representing more than 600,000 people including civilians, local governments and businesses, had been valued at up to £36bn ($48bn).
BHP said it would appeal against the ruling and continue to fight the lawsuit and has said many claimants in the London lawsuit had already been paid compensation in Brazil.
The dam in Mariana, southeastern Brazil, was owned by Samarco, a joint venture between the mining giants Vale and BHP.
