The interview is so controversial that the Presidency reportedly tried to stop it from being aired.

Buhari’s wife revealed that her husband’s government had been hijacked by a powerful caucus that had nothing to do with his party, the All Progressives Congress (APC).

Below are five shocking things Mrs Buhari told the BBC:

Senate President, Bukola Saraki, had, in June, warned that Buhari's government had been hijacked by a cabal.

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The Presidency denied Saraki's statement but is yet to respond to Mrs Buhari's comments.