Tuju had emergency surgery at Kijabe Hospital before being airlifted to Karen Hospital in Nairobi.
Central police commander Patrick Lumumba said the matatu had swerved to avoid hitting a car that had stopped ahead of it abruptly when it collided head on with that of Tuju.
“The driver says he was avoiding to hit another car when he collided with the other car carrying the CS. Those injured are in hospital,” he said.
His driver sustained a fractured hand while his bodyguard had bruises. Tuju complained of chest pains after the accident.
Several passengers who were in the matatu traveling in the opposite direction were also injured and rushed to the Kijabe Mission Hospital.
Local leaders, dignitaries and at least 10 heads of state are headed to Kabarak for Moi’s burial.
The former president who will be laid to rest at his Kabarak home next to his wife Lena and will be accorded full military honours, which include conveyance of the body under escort on a gun carriage, accompanied by military musical honours and a 19 gun-salute.
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