Explain your role in N9trn NNPC contract scam, PDP challenges Buhari
The Peoples Democratic Party, PDP, yesterday charged President Muhammadu Buhari and the ruling All Progressives Congress, APC-led administration to tell Nigerians what they know about the N9 trillion ($25 billion) contract scam allegedly perpetrated by the Nigerian National Petroleum Corporation, NNPC, under their watch.

