"We are demanding that the Judiciary halts Judge Baguma from this case. A judge accused of bias cannot lawfully continue presiding over a case where the accused formally question his impartiality," Bayiga said.
Cheptegei set a personal best of 58:26 to finish third in a close race. Andreas Almgren of Sweden won gold in 58:06, setting a new European record. Nicholas Kipkorir from Kenya took silver in 58:11.
The Ateker-speaking communities include the Nyangatomo of Ethiopia; the Toposa, Bari, and Torit of South Sudan; the Iteso, Turkana, and Masai of Kenya; the Iteso, Karimojong, Jie, Dodoth, Kumam, Langi, and Kakwa of Uganda; and the Masai of Tanzania, plus other closely-knit groups spread across the greater East African region.