KAMPALA – Ethiopia's federal troops for almost a week have been battling troops loyal to the Tigray regional government, raising fears of civil war in Africa's second most populous country. Just a year ago, Ethiopian Prime Minister Abiy Ahmed was receiving the Nobel Peace Prize for his dramatic political reforms. Abiy also shocked the region by making peace with neighboring Eritrea after a border war, and promoting similar efforts in the wider Horn of Africa. OCTOBER 2019: A NOBEL PEACE PRIZEThe following year, Abiy was awarded the Nobel Peace Prize for his sweeping reforms. The Tigray region defied the federal government by holding a local election, leading to the current situation where each government now regards the other as illegal.