The ODM party removed Moses Wetangula as Senate Minority leader amnd has declared intention to replace him with Siaya Senator James Orengo.
Wetangula, however, will remain minority leader until NASA elects a new leader in the Senate.
The decision was made by ODM leader Raila odinga and was supported by 16 ODM senators.
National Senate Speaker Ken Lusaka on Thursday suspended the process of electing Wetangula's repalcement.