At least 40 passengers died on Wednesday morning after a bus they were travelling in was involved in a grisly road accident on the Kisumu-Muhoroni highway at Fort Tenan area in Kericho.

Fort Tenan Police Station OCS Charles Ocharo says the bus was heading to kisumu from Nairobi when it veered off a fly over, rolling several times.

The cause of the accident is still unclear, even as rescue efforts continue.