Mr. Buhari had on January 18 written the National Assembly, notifying the legislature that he was proceeding on a 10-day leave and temporarily transferring presidential power to Vice-president Yemi Osinbajo.
“… I am extending my leave until the doctors are satisfied that certain factors are ruled out,” Mr. Buhari said in a February 5 letter to the President of the Senate, Bukola Saraki obtained by premium times on Saturday, informing the National Assembly of the extension of his vacation.
Although snippets of the letter were publicised by the presidency and the Senate on February 5 and 6 respectively, this is the first time the entire text and copy of the correspondence would be made available.
The President wrote, “Further to my letter dated 18th January 2017 in which I notified the Distinguished Senate of taking part of my annual leave.
“During my leave, I took the opportunity to have routine check-ups and consult my long standing doctors in London.
“In the course of the routine examinations, certain test result indicated the need for a course of medications and further appointments have been scheduled for next week.
“I am therefore notifying the Distinguished Senate that I am extending my leave until the doctors are satisfied that certain factors are ruled out. In the circumstances, the vice president will continue to act on my behalf.
“Please accept, Distinguished Senate President, the assurances of my highest consideration.”
Meanwhile, Nigeria's first lady, Mrs Aisha Buhari has returned Nigeria from her trip to Umrah
Her arrival was disclosed by Zaynab Ikaz- Kassim, an aide to Mrs Buhari, via her twitter account @Miss_Ikaz.