"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 attackers then pursued more than 50 residents who had sought refuge in a Protestant church. After forcing them out, they executed 22 people in the church courtyard and 12 others behind the church.