Violence recently flared again in Nigeria's troubled Niger Delta region, the center of Africa's largest oil industry. Militants have threatened to blockade key waterways there to prevent the export of crude oil.

They say they're fighting for a fair share of the profits from oil. Each year the Nigerian government earns billions of dollars from oil exports. In spite of this, people who live on Nigeria's oil reserves live in abject poverty.

Oil was first discovered here more than 50 years ago near the small Delta village of Oloibiri. Sarah Simpson spoke with one of its chiefs about what the discovery has meant for his people.

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