Nakuru East Member of Parliament David Gikaria has been arrested.
According to Nakuru Police Commander Peter Mwanzo, the MP was arrested following an altercation at a polling station within the county.
He is being detained at the Central Police Station.
Gikaria, the incumbent MP is defending his seat on a United Democratic Alliance (UDA) ticket in a race that has attracted four contenders.
Former Nakuru Town MP David Manyara, former Nakuru Mayor Benson Mwangi, county assembly speaker Joel Kairu, and Kanu women league coordinator Grace Karuga are among those seeking an electoral mandate to unseat the MP.