Nigeria, July 10 -- A former secretary to the federal government (SGF), Boss Mustapha, has dismissed the claims that President Bola Tinubu made Muhammadu Buhari president in 2015.

Mr Mustapha said forming the All Progressives Congress (APC) in 2015 was instrumental and that it paved the way for the first democratic defeat of an incumbent ruling party in Nigeria's history.

However, he said, Mr Buhari was already famous and had over 12 million votes in his kitty before the 2015 election.

"The merger of the legacy parties merely contributed three million votes to his victory at the 2015 presidential election," Mr Mustapha said.

The former SGF made this in his keynote address at a book launch on Wednesday.

The book, titled 'According to ...