Mombasa Governor Ali Hassan Joho is admitted at Mombasa Hospital, his communications director Richard Chacha told Pulselive.co.ke.
The Mombasa County boss was visited by former Nigerian President Olusegun Obasanjo at the hospital on Friday.
Joho fell sick on Thursday and after visiting the hospital doctors recommended he be admitted for further check up.
The governor will be discharged on Friday, according to his communications team.
Message to Imran Okoth
Governor Joho was among the first county bosses and ODM leaders to congratulate the newly elect Kibra MP Bernard Imran Okoth on his win.
"Congratulations Hon. Imran Okoth for the emphatic victory in the Kibra parliamentary by-election," Joho said.
"This is a clear demonstration of maturity by Kibra electorate, who defied bribery and intimidation," he added.