Supporters of opposition leader Raila Odinga, one wearing a mask, attend a mock "swearing-in" ceremony at Uhuru Park in downtown Nairobi, Kenya, Jan. 30, 2018.
Supporters of opposition leader Raila Odinga, one wearing a mask, attend a mock "swearing-in" ceremony at Uhuru Park in downtown Nairobi, Kenya, Jan. 30, 2018.

NAIROBI - A Kenyan opposition politician was charged on Tuesday with treason and unlawful assembly for his involvement in the symbolic presidential "swearing in" of opposition leader Raila Odinga in a challenge to President Uhuru Kenyatta.

Opposition leader Raila Odinga holds a bible aloft
Opposition leader Raila Odinga holds a bible aloft after swearing an oath during a mock "swearing-in" ceremony at Uhuru Park in downtown Nairobi, Kenya, Jan. 30, 2018.

The charge sheet presented by police to the court in Kajiado south of Nairobi said Miguna Miguna was being charged with "being present and consenting to the administration of an oath to commit a capital offense, namely treason".

Miguna was also charged with "taking part in an unlawful assembly" and "engaging in organized criminal activity".