FILE - In this Saturday, May 22, 2021 file photo, Berhanu Nega, leader of the Ethiopian Citizens for Social Justice (EZEMA) opposition party, attends an election rally at Agena town in the Southern Nations, Nationalities, and Peoples' Region of Ethiopia. The country is due to vote in a general election on Monday, June, 21, 2021. (AP Photo/Mulugeta Ayene, File)

Ethiopia's Prime Minister Abiy Ahmed greets children holding flowers on his arrival at the airport, ahead of a final campaign rally, in the town of Jimma in the southwestern Oromia Region of Ethiopia Wednesday, June 16, 2021. The country is due to vote in a general election on Monday, June, 21, 2021. (AP Photo/Mulugeta Ayene)

FILE - In this Saturday, May 22, 2021 file photo, Berhanu Nega, center, leader of the Ethiopian Citizens for Social Justice (EZEMA) opposition party, attends an election rally at Agena town in the Southern Nations, Nationalities, and Peoples' Region of Ethiopia. The country is due to vote in a general election on Monday, June, 21, 2021. (AP Photo/Mulugeta Ayene, File)

Supporters fill the stands at the final campaign rally of Ethiopia's Prime Minister Abiy Ahmed, in the town of Jimma in the southwestern Oromia Region of Ethiopia Wednesday, June 16, 2021. The country is due to vote in a general election on Monday, June, 21, 2021. (AP Photo/Mulugeta Ayene)

Ethiopia's Prime Minister Abiy Ahmed speaks at a final campaign rally at a stadium in the town of Jimma in the southwestern Oromia Region of Ethiopia Wednesday, June 16, 2021. The country is due to vote in a general election on Monday, June, 21, 2021. (AP Photo/Mulugeta Ayene)

Ethiopia's Prime Minister Abiy Ahmed, center right, speaks to his wife Zinash Tayachew, center left, as they attend a final campaign rally at a stadium in the town of Jimma in the southwestern Oromia Region of Ethiopia Wednesday, June 16, 2021. The country is due to vote in a general election on Monday, June, 21, 2021. (AP Photo/Mulugeta Ayene)

Women applaud as they sit in the stands at the final campaign rally of Ethiopia's Prime Minister Abiy Ahmed, in the town of Jimma in the southwestern Oromia Region of Ethiopia Wednesday, June 16, 2021. The country is due to vote in a general election on Monday, June, 21, 2021. (AP Photo/Mulugeta Ayene)

FILE - In this Saturday, May 22, 2021 file photo, supporters attend an election rally of the Ethiopian Citizens for Social Justice (EZEMA) opposition party, also attended by party leader Berhanu Nega, at Agena town in the Southern Nations, Nationalities, and Peoples' Region of Ethiopia. The country is due to vote in a general election on Monday, June, 21, 2021. (AP Photo/Mulugeta Ayene, File)

FILE - In this Saturday, May 22, 2021 file photo, supporters attend an election rally of the Ethiopian Citizens for Social Justice (EZEMA) opposition party, also attended by party leader Berhanu Nega, at Agena town in the Southern Nations, Nationalities, and Peoples' Region of Ethiopia. The country is due to vote in a general election on Monday, June, 21, 2021. (AP Photo/Mulugeta Ayene, File)

Children hold flowers to greet the arrival of Ethiopia's Prime Minister Abiy Ahmed, ahead of a final campaign rally, in the town of Jimma in the southwestern Oromia Region of Ethiopia Wednesday, June 16, 2021. The country is due to vote in a general election on Monday, June, 21, 2021. (AP Photo/Mulugeta Ayene)

Supporters in the stands take pictures with their smartphones at the final campaign rally of Ethiopia's Prime Minister Abiy Ahmed, in the town of Jimma in the southwestern Oromia Region of Ethiopia Wednesday, June 16, 2021. The country is due to vote in a general election on Monday, June, 21, 2021. (AP Photo/Mulugeta Ayene)

Horsemen perform on the field as supporters fill the stands at the final campaign rally of Ethiopia's Prime Minister Abiy Ahmed in the town of Jimma in the southwestern Oromia Region of Ethiopia Wednesday, June 16, 2021. The country is due to vote in a general election on Monday, June, 21, 2021. (AP Photo/Mulugeta Ayene)

Supporters fill the stands at the final campaign rally of Ethiopia's Prime Minister Abiy Ahmed, in the town of Jimma in the southwestern Oromia Region of Ethiopia Wednesday, June 16, 2021. The country is due to vote in a general election on Monday, June, 21, 2021. (AP Photo/Mulugeta Ayene)