Several vehicles were on Sunday burnt to ashes after a trailer burst into flames at Mutarakwa.
The trailer was transporting gas cylinders along the busy Mai Mahiu-Nairobi Road.
Motorists have been advised to use alternative routes.
It is still unclear if there were any casualties during the Sunday afternoon incident.
Police and fire fighters are at the scene of incident.
Trailer transporting gas cylinders explodes at Mutarakwa on the Mai Mahiu – Nairobi highway, several cars burnt; police and firefighters at the scene pic.twitter.com/aY2WJNf9c8— Citizen TV Kenya (@citizentvkenya) February 13, 2022