Prime Minister Abiy Ahmed of Ethiopia and President Isaias Afwerki of Eritrea signed a joint declaration in Asmara formally ending the state of war that had persisted since the border conflict of 1998 to 2000.

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Telephone connections between the two countries were restored within days and commercial flights resumed for the first time in twenty years. Families separated for a generation crossed the frontier at Zalambessa.

Mr Abiy was awarded the Nobel Peace Prize the following year, though relations later deteriorated during the conflict in Tigray.