The United States is brokering talks between Ethiopia, Egypt and Sudan to reduce tensions over a dam on the Nile River, a source of many regional conflicts between in the past.

Ethiopia has been building the so-called Renaissance Dam near its border with Sudan for eight years.

But Egypt fears the dam will reduce the flow of water along the river which accounts for nearly 90 percent of its supply.

Al Jazeera's Mike Hanna reports from Washington, DC.

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