It is not yet clear what she is suffering from but sources close to the family say she was admitted at the Agha Khan hospital on Friday after she complained of a headache.
She was later transferred to Nairobi Hospital on Sunday.
The sources said only immediate family members are being allowed to visit.
We will give you more details on this story later.
ALSO READ: WTH? MORTUARY ATTENDANTS STORM CEMETERY DURING FUNERAL & SEIZE BODY AFTER FAILURE TO PAY MORTUARY BILL (SEE SHOCKING PHOTOS AND VIDEO)