Nominated Senator Joy Gwendo has been suspended by her party, The National Alliance (TNA) over gross misconduct.
Gwendo has also been de-whipped from all Senate committees.
The disciplinary committee has recomended to The National Oversight Board that the senator be expelled from the party.
She is accused of disrespecting the party and supporting the opposition side.
She was among eight members summoned by the party's disciplinary committee over alleged misconduct.
They included Gatundu South MP Moses Kuria, nominated senator Joy Adhiambo Gwendo and Nyeri Women Rep Priscilla Nyokabi.
Also summoned were four MCAs from Nakuru – Florence Njoroge, Stephen Kihara, Ngware Nganga and Francis Njoroge.
Read: 8 TNA Politicians Face Expulsion Over Alleged Disciplinary Offenses
The party has been conducting investigations, summoning the accused to answer to the allegations.
Early this week, Gatundu South MP Moses Kuria was cleared of all charges after the committee rejected his plea to stop it from grilling him over hate speech remarks.
Read: Moses Kuria Loses Bid To Stop Grilling Over Misconduct
The suspension of Gwendo takes effect immediately.
Here is the letter of suspension.