Four pedestrians perished and others were left critically injured after a bus in Kangemi, Nairobi County, knocked them down.
The driver involved in the Wednesday evening accident was allegedly going down a slop when the accident occurred.
The bus operating along the Westlands-Uthiru route was allegedly trying to use an alternative route to evade the traffic jam along Waiyaki Way.
Witnesses state the alternative route had a steep stretch, and it is here that the vehicle's brakes failed, causing the accident at Waruku area.
The bus only stopped after it rammed into a building after hitting the pedestrians.
In Riverside Medical Centre, James Kiburi, a doctor stated they received four critically injured victims, stating that one died at the facility.
Reports indicated three victims were ferried away in a St John Ambulance for advanced treatment elsewhere.
The driver of the bus fled from the scene of the accident.
Meanwhile, on Wednesday morning, a Kenya Mpya Bus driver ran over a woman and amputated her leg in Kahawa Sukari, Kiambu County.
It is alleged that the driver of the bus registered under KCN 587S was trying to escape traffic police officers when the lady was ran over.
Netizens on Twitter caused an uproar while asking the National Transport and Safety Authority (NTSA) and the Directorate of Criminal Investigations (DCI) to probe the matter.