Nigeria's suspended central bank Governor Godwin Emefiele has been detained and is being held in custody for investigative reasons, the police's Department of State Services (DSS) said on Saturday.
Nigeria's central bank kept its benchmark interest rate unchanged at 11.5% for a seventh straight time on Tuesday but cited persistent insecurity in large parts of the country as a major downside risk to the recovery of Africa's biggest economy.
Nigeria needs to end its costly petrol subsidy within the next three-to-six months, improve exchange-rate management and speed up other reforms to boost growth, the World Bank said on Tuesday.
Nigeria on Monday became the first African nation to launch a digital currency - the eNaira - a move its leaders said will expand access to banking, enable more remittances and even grow the economy by billions of dollars.