Several people reported missing along Mai Mahiu-Narok highway after their vehicles were swept by floods.
According to sources, the incident happened on Monday dawn at around 3am.
Mahiu-Naivasha road also affected with huge traffic.
A communication from Kenya Redcross Society says several people have been taken to a health facility in Mai Mahiu due to the flash floods affecting Kamuchiri Village.
The floodwaters are reported to have originated from a nearby river that broke its banks.
The Kenya Police, County Disaster team, Kenya Red Cross and community members are at the scene as rescue operation continues.
