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China's slowing growth a worry for Africa

28 August 2015 Last updated at 12:57 BST

Slowing growth in China, the world's second-largest economy, has spooked investors - with turbulence on global markets. It has served to underline the recent plunge in commodity prices, which are of key concern to many economies in Africa.

The BBC's Matthew Davies takes a look at the mayhem on the commodity markets.