President Muhammadu Buhari has sworn in the National Security adviser, Babagana Mungono, Special Assistant to the President on Media and Publicity, Mr Femi Adesina and the Secretary to the Government of the Federation (SGF), Babachir Lawal.
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The newly appointed SGF promised not to disappoint Nigerians.
''We know the President and the Vice resident. We know that they are men of Integrity. W e know that they are hard working people. They intend to take Nigeria to greatness.
''We are lucky that we are part of this team and we will do our best not to disappoint the President and God,'' he said.
He made the pledge while addressing reporters at the end of the swearing in ceremony held at the council chambers at the Presidential Villa.
Mr Femi Adesina told Channels TV that it was a privilege to be asked to serve Nigeria.
''We have sworn to an oath today, that we will not betray the country not betray the confidence reposed in us. We intend to abide by that oath.'' he said