Buhari arrived his office at about 11.00am..
His spokesmen, Femi Adesina and Garba Shehu, were sighted heading for the president’s office at 10.40am.
Chief of Staff to the President, Alhaji Abba Kyari, went to the president’s office at 10.55am.
The last time he was in the office was January 16 before he departed for London on January 19.
Earlier Monday morning, there was a change of the Presidential Guards Brigade at the Presidential Villa.
It was done with a parade mounted at the forecourt of the President’s Office, by officers and men of the Presidential Guards Brigade.
A change of the presidential guards brigade holds every Monday.