When Ethiopian Prime Minister Abiy Ahmed received the Nobel Peace Prize in 2019, he was lauded as a regional peacemaker. A year later, he launched a conflict that spiraled into a brutal civil war, spawning one of the worst humanitarian crises in the world.

The Ethiopian government and the Tigray People's Liberation Front have agreed to a cessation of hostilities, the African Union (AU) High Representative for the Horn of Africa and former Nigerian president Olusegun Obasanjo announced in a media briefing Wednesday night in South Africa.