Why Mali seized gold from a mining giant.

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Canadian mining giant Barrick halted its operations in Mali after the government seized gold stocks worth $245 million. What's the story behind the Nigerian words added to the Oxford English dictionary ? And what the death of the warlord turned politician Prince Yormie Johnson means for Liberia. Presenter: Audrey Brown Producers: Frenny Jowi in Nairobi with Victor Sylver, Blessing Aderogba, Rob Wilson, and Nyasha Michelle in London. Senior Producer: Paul Bakibinga Technical Producer:Craig Kingham Editors : Andre Lombard and Alice Muthengi