Ethiopia's Prime Minister Abiy Ahmed arrives at Khartoum international airport on June 7, 2019 on a mission to mediate between Sudan's ruling generals and civilian leaders. AFP
Ethiopia's Prime Minister Abiy Ahmed arrives at Khartoum international airport on June 7, 2019 on a mission to mediate between Sudan's ruling generals and civilian leaders. AFP

Ethiopia's army chief of staff has been shot, PM's aide says