United States President Donald Trump said on Wednesday he held successful talks with officials from Egypt, Ethiopia and Sudan over a new dam being built on the Nile river. Trump was mediating in a dispute over Ethiopia's construction of the huge dam which Egypt says could drastically disrupt the Nile, the river providing 90 percent of the country's drinking water. Ethiopia says the five-billion-dollar Grand Ethiopian Renaissance Dam near the border with Sudan will be a massive boost to the economy and is necessary to provide much-needed electricity. However, the Egyptians fear the move would be at its expense, and reduce its share of Nile water.