Image caption "If it continues like this, I'm not going to be part of any [re-election] movement," - Aisha Buhari

Nigerian President Muhammadu Buhari's wife has warned him that she may not back him at the next election unless he shakes up his government.

In a BBC interview, Aisha Buhari said the president "does not know" most of the top officials he has appointed.

She suggested the government had been hijacked, saying a "few people" were behind presidential appointments.

Mr Buhari was elected last year with a promise to tackle corruption and nepotism in government.

His wife's decision to go public with her concerns will shock many people, but it shows the level of discontent with the president's leadership, says the BBC's Naziru Mikailu in the capital, Abuja.

Well since President Buhari has asked Efcc to probe any member of his family that gets connected to any form of corruption they have vowed not to back him up if his leadership is tagged "failure" by 2018.