Conflict in the country triggered more than 5.1 million new displacements in 2021.
CSOs say the war crimes and hate speech in Ethiopia reflect what preceded the 1994 Genocide Against the Tutsi in Rwanda.
Religious conflict may be rising in Ethiopia because of political influence, political analyst says.
The accusations came a few days after rebel TPLF forces and Eritrean forces clashed in two border towns.
Under the constitution the polls will take place within 90 days.