President Muhammadu Buhari on Friday approved the re-appointment of Mr Boss Mustapha as Secretary to the Government of the Federation (SGF)
The president also re-appointed Abba Kyari as Chief of Staff (COS).
This was contained in a statement issued by the Senior Special Assistant on Media and publicity, Garba Shehu.
According to him, both appointments take effect from May 29, 2019.
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