At least two people died while dozens of others were injured following a road accident at Muguga area on the Nairobi-Nakuru highway on Friday night.
Police said a priest and his wife died on the spot after a trailer that had brake failure rammed their car in the crash where 20 vehicles were involved, including a school bus with 44 students.
Among the injured were two students from Twilight Secondary School in Kayole, Nairobi County.
Police said the students were rushed and admitted at PCEA Kikuyu Hospital.
Kikuyu sub-county Police Commander Ronald Kirui said many others who were injured were taken to hospitals.
He said investigations into the incident are ongoing.
He told drivers to maintain driving discipline and service their vehicles as part of efforts to address such accidents.
Locals urged the relevant authorities led by KeNHA to complete a section of the road where service lanes will be constructed to avert more loss of lives.
Cases of fatal accidents have been on the rise despite campaigns to address the menace.