Egypt said it had protested to the UN Security Council Friday against Ethiopian plans to fill the reservoir of a controversial Nile dam for a third year without agreement from downstream countries. The multi-billion dollar Grand Ethiopian Renaissance Dam (GERD) on the Blue Nile is set to be the largest hydroelectric scheme in Africa but has been at the centre of a dispute with Egypt and Sudan ever since work began in 2011. Egypt “received a message from the Ethiopian side on July 26, stating that Ethiopia would continue filling the reservoir of the Renaissance Dam during the current flood seas…