The
parliamentary seat in Ol Kalou became vacant after MP David Njuguna Kiaraho's
death on March 29, 2026, setting up a contest between UDA's Samuel Muchina
Nyagah and DCP's Sammy Douglas Kamau Waweru on July 16.
Inspector
General Douglas Kanja deployed heavy security, including GSU platoons and water
cannons, to curb reports of goons, bribery, and intimidation.