A separate statement written by Buhari's Media aide, Femi Adesina read:
PRESIDENT BUHARI PROCEEDS ON VACATION
President Muhammadu Buhari leaves for the United Kingdom today on a short leave, which is part of his annual vacation. He is expected to resume work on February 6, 2017.
During the vacation, the President will also undergo routine medical check-ups.
In line with Section 145 (1) of the 1999 Constitution (as amended), the President of the Senate, and Speaker, House of Representatives, have been duly communicated.
While away, the Vice President, Prof Yemi Osinbajo, will perform the functions of the Office of the President.