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Barclays has operated in Africa for almost a century, but the British bank will now be selling off its business there. Barclays' chief executive Jes Staley explains why to our economics editor Kamal Ahmed, while our business editor Simon Jack puts the sale into historical context. Plus, author and journalist Ben Judah reports on London seen through migrants' eyes - a city where low-paid work is divided according to ethnicity.

(Photo: Kenyan branch of Barclays bank. Credit: Simon Maina/AFP/Getty Images)