Egypt’s president and Britain’s prime minister have agreed on the need for “the tightest possible security” at the Sinai resort airport where a doomed Russian airliner departed, London said. Abdel Fattah al-Sisi and David Cameron spoke by telephone ahead of the Egyptian leader’s visit to London, according to a statement …

South Sudan’s army and rebel forces have agreed to deploy joint military units in the capital, a key stage of a peace deal aimed to end nearly two years of war. Both sides have repeatedly traded blame for breaking an August 26 peace deal, the eighth such agreement.

Warring parties in South Sudan are expanding stockpiles of weapons and ammunition in violation of an August peace deal and President Salva Kiir risks fueling violence with plans to almost triple the number of states in the country, said UN experts. In a report to the UN Security Council, seen …