Authorities and environmentalists in Zambia fear the long-term impact of an acid spill at a Chinese-owned mine that poisoned a major river and could potentially affect millions of people after signs of pollution were detected at least 100 kilometers downstream.

River ‘dies’ after massive acidic waste spill at Chinese-owned copper mine - 50 million litres of waste have flowed into the river, with ‘devastating’ consequences

Signs of pollution in the river were detected at least 100 kilometres downstream from the source of the pollution.