FILE - In this Sunday, Feb. 9, 2020, file photo, Ethiopia's Prime Minister Abiy Ahmed, center, arrives for the opening session of the 33rd African Union (AU) Summit at the AU headquarters in Addis Ababa, Ethiopia. Ethiopia's prime minister on Wednesday, Nov. 4, 2020 ordered the military to confront the Tigray regional government after he said it attacked a military base overnight, citing months of "provocation and incitement" and declaring that "the last red line has been crossed." (AP Photo, File)

FILE - In this Sept. 9, 2020 file photo, a member of Tigray Special Forces casts his vote in a local election in the regional capital Mekelle, in the Tigray region of Ethiopia. Ethiopia's prime minister on Wednesday, Nov. 4, 2020 ordered the military to confront the Tigray regional government after he said it attacked a military base overnight, citing months of "provocation and incitement" and declaring that "the last red line has been crossed." (AP Photo, File)