FILE - In this Tuesday, Oct. 22, 2019 file photo, Ethiopian Prime Minister Abiy Ahmed addresses members of parliament on the current situation in the country inside the Parliament buildings, in Addis Ababa, Ethiopia. Ethiopia's Nobel Peace Prize-winning prime minister urged calm on Wednesday, Nov. 20, 2019 as millions of citizens held a referendum on whether to create a new regional state along ethnic lines. (AP Photo/Mulugeta Ayene, File)
FILE - In this Tuesday, Oct. 22, 2019 file photo, Ethiopian Prime Minister Abiy Ahmed addresses members of parliament on the current situation in the country inside the Parliament buildings, in Addis Show more

Key ally opposes Ethiopian PM Abiy Ahmed's party merger plan