Two days earlier on 12 August, Abebe Wakene, also a member of HRCO, was arrested and taken to the Diga district police station in Oromia.
Abebe Wakene remains in detention with no formal charges against him.
Tracing its roots to the 2nd millennium BC, Ethiopia's governmental system was a monarchy for most of its history.
In the first centuries AD, the Kingdom of Aksum maintained a unified civilization in the region, followed by the Ethiopian Empire circa 1137.
During the late 19th-century Scramble for Africa, Ethiopia was one of the nations to retain its sovereignty and the only territory in Africa to defeat a European colonial power.
Its capital city Addis Ababa serves as the headquarters of the African Union, the Pan African Chamber of Commerce and Industry, the United Nations Economic Commission for Africa, the African Standby Force, and many of the global NGOs focused on Africa.With over 102 million inhabitants, Ethiopia is the most populous landlocked country in the world and the second-most populous nation on the African continent.It occupies a total area of 1,100,000 square kilometres (420,000 sq mi), and its capital and largest city is Addis Ababa.A group of civil society organizations are calling for an independent and impartial international investigation into human rights violations in Ethiopia, including the unlawful killing of peaceful protesters and a recent spate of arrests of civil society members documenting this crackdown.Defend Defenders (East and Horn of African Human Rights Defenders Project), the Association for Human Rights in Ethiopia (AHRE), Amnesty International, the Ethiopia Human Rights Project (EHRP), Front Line Defenders, and the International Federation for Human Rights (FIDH), are concerned about the levels of persecution and detention of civil society members in the country.