The 800 metres world record holder David Rudisha was yesterday rushed to Nairobi for further treatment following a Sunday dawn accident in Kijauri, Borabu, Nyamira County.

Rudisha took to his Facebook to reassure his fans that he is okay.

He said, "I am well and unhurt from this morning's accident."

Adding, "Thank you for your prayers and concern. And above all I thank God for keeping everyone else involved safe. A special thank you to the other road users who rushed to the scene to help me out of the car after the incident!"

His brother Shadrick Rudisha revealed that together with the star athlete they were on their way to Nairobi to have additional tests done on him ascertain if he sustained any internal injuries when his car collided head on with Ena Coach bus heading to Nairobi from Kisii.

"We are going for secondary checks to affirm if he sustained any further injuries to his body," said Shadrick.

He said Rudisha was heading home from Nairobi.

The athlete's car was badly damaged in the front, said Keroka OCPD Walter Opondo. It was not clear if the two time Olympic champion who was driving the car during the time of the accident.

Keroka Police Chief Walter Opondo told the Star they were no casualties in the bus.

He said Rudisha was first rushed to Gucha Hospital in Keroka town where he was treated for minor injuries before he was discharged."He was treated and allowed to go home," Opondo said.

The athlete has been missing in action since he lost his father in March and is currently not in good terms with his spouse.

Rudisha has been dubbed the greatest 800-meter athlete of all time, smashing the world 800-metre record twice in a span of eight days in 2010.