Egypt fears its water crisis could worsen as Ethiopia starts filling the reservoir behind a giant dam upriver President Donald Trump said on Wednesday he held talks with officials from Egypt, Ethiopia and Sudan over a new dam being built on the Nile River. "The meeting went well and discussions will continue during the day!" Trump said in a Twitter post. Egypt fears its water crisis could worsen as Ethiopia starts filling the reservoir behind a giant dam upriver. Nile-user Sudan also has an interest in the hydropower project.