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What do Nigeria's security problems mean for its economy?

8 May 2014 Last updated at 22:12 BST

Nigeria is hosting the World Economic Forum on Africa - a huge gathering of business leaders and heads of state.

But while trade and investment are on the agenda - a recent spate of bomb attacks and kidnappings have overshadowed the event.

Chris Ewokor has been examining what these security concerns mean for investment in Africa's biggest economy.