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South Africa and its neighbours are increasingly isolated from the rest of the world. The US joins a growing list of countries banning travellers hailing from southern African nations due to fears of a new COVID-19 variant. Also tonight, we bring you a report on the Christian minority in Sudan. Recent political instability has brought both hope and fear to the long-persecuted community. And finally, camels play a crucial role in Somalia, providing milk, meat and muscles to nomadic populations.