Forty-nine Mung'ala secondary students were on the night of June 16 injured in a road accident along Yiiuni-Kyangala road in outskirts of Machakos town.
Out of injured 49, twelve of them were critically injured according to the school principal Florence Kilonzi.
The students were from Kyanguli secondary school for music festivals a school located along Machakos-Kangundo road.
According to an eyewitness, the bus lost control and crashed into Milaani bridge.
"I was shocked by the students noise immediately the bus crashed crying for pain. Several other neighbours had heard the cry too after which we hurried to the scene to their rescue," said Philip Maithya.
They therefore send information to Machakos level five hospital in order for ambulances to be sent to the place.
All the injured were rushed to Machakos level five hospital where they are recuperating.
The driver of the bus who was not hurt during the accident presented himself to Machakos police station where he is being detained as investigations kick off on the cause of the accident.