Essential businesses and schools remain closed until Wednesday as Hurricane Oscar makes landfall in Cuba - an island already in the midst of a massive power failure. Millions have been struggling with a near nationwide blackout after a major power station came offline. The government said power is expected to be mostly restored by Monday evening. We hear how food and water are proving difficult to come by for some islanders.

The High Court in London begins hearing a civil trial over the responsibility for Brazil's worst environmental disaster - the collapse of a mining dam in 2015. Nineteen people were killed and hundreds of homes were destroyed as toxic water was released. Claimants are now seeking $47bn in damages.

And, as the 16th annual summit BRICS is about to be hosted by the Russian President VladImir Putin – we speak to Lord Jim O’Neill. He coined the synonym ‘BRICS’ but told us he felt the organisation ‘no longer knows what it stands for’. Its members - including some new ones attending for the first time - account for 40% of the world's population and around a third of the world's GDP.

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