The information minister, Lai Mohammed, said 45 people suspected of funding terrorism had been arrested and would soon be prosecuted.

He said Nigeria's financial crimes agency recovered at least $750m (£550m) in local and foreign currency linked to corruption.

Last month, the Nigerian Securities and Exchange Commission increased the power of the authorities to monitor financial links with suspected jihadist groups.

President Muhammadu Buhari, now in his second term, was elected on a promise to fight corruption and recover huge sums of money stolen from Nigeria.