The Facts

• In the latest sign of diplomatic rapprochement after an eight-year hiatus, Iran and Sudan exchanged ambassadors on Sunday following last year's agreement to resume diplomatic relations.

• The Sudanese government announced that the country's de facto leader, army chief Abdel Fattah al-Burhan, received Tehran's new ambassador, Hassan Shah Hosseini, in Port Sudan.

• Abdulaziz Hassan Saleh was, in turn, appointed as the north-east African country's first ambassador to Iran since Sudan suspended diplomatic ties with Iran in 2016.