Fighting in Ethiopia has left thousands of people dead and forced millions to flee their homes, sparking a humanitarian crisis. The unrest, which blew up in November, has compounded economic devastation wrought by the pandemic, prompting warnings from the country about its ability to repay debt. The dispute centers on the northern state of Tigray, where regional leaders are at loggerheads with the federal government led by Nobel Peace Prize-winning Prime Minister Abiy Ahmed.