Five people were on Saturday morning killed after two cars collided along Namanga- Kajiado highway.
Police said three others were left in critical condition after the accident in Ilbisi area.
The vehicles were moving on opposite direction at the time of the accident.
The Probox, which was headed to Ilbisil had several occupants and four of them died on the spot while others sustained serious injuries, police who visited the scene said.
The bodies of the deceased have been moved to the Kajiado County Referral Hospital mortuary, while the injured were admitted at the same facility.
Police said they are investigating the incident.
It comes at a time when official say the accidents are on the rise as compared to the same period last year since new year.
So far more than 270 people have been killed in accidents since new year, traffic commandant Mary Omari said as compared to the 201 who died same period in 2021.
The majority of them are pedestrians.