Tragedy struck in the Josa area along the Wundayi-Mwatate road as a bus carrying mourners from a funeral in Mgambonyi lost control and plunged into a slope, resulting in the death of 11 passengers.
The bus reportedly suffered brake failure before the accident occurred.
Several other passengers were injured and have been admitted to hospitals in Mwatate and Voi.
The bodies of the deceased were taken to Moi Hospital.
An eye witness Walter Mwadime said 10 people died on the spot in the 8pm grisly accident.
People volunteered to work tirelessly until 1:00 am when we pulled out the last victim from the mangled wreck turned upside down trapping people under it,”
Police officers in the area have launched an investigation into the incident.
Authorities have urged drivers who are unfamiliar with the route to exercise caution to prevent such accidents.