Nigeria, Angola hit by Opec failure to cap oil supply
Nigeria and Angola's economies continue to struggle after the oil cartel Opec failed to reach an agreement to cap supply.
These two African countries depend heavily on revenue gained from oil exports to fund government budgets.
BBC Monitoring looks at how Africa's top oil producers have attempted to resolve their financial predicaments in the face of a glut in the oil market.
Produced by Alexi Peristianis.
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