Muhammadu Buhari, Nigeria’s President ordered to arrest of his predecessor’s security adviser, for stealing some $2bn (£1.3bn).
Sambo Dasuki is accused of awarding phantom contracts to buy 12 helicopters, four fighter jets and ammunition. He denies the allegations.
The equipment was meant for the fight against Boko Haram Islamist militants.
Soldiers have complained that despite the military’s huge budget, they were ill-equipped to fight.