The anti-graft agency had detained him on Monday when he honoured its invitation.
Soldiers were seen dragging out the thespian from his vehicle before assaulting him while passersby watched helplessly.
It is important to once again place on record that the allegation that he was brutalized is false and should be disregarded accordingly.
Mr Okoye in an Instagram post on Friday vowed to institute legal actions against banks which he refused to name as partakers in the corrupt practice.
Despite trending video clip showing how the Nollywood actor was manhandled, army spokesman, Onyema Nwachukwu, said he was not assaulted as multimedia contents showed.
Army spokesman, Onyema Nwachukwu, had accused him of inciting members of the public to join IPOB, an accused he denied while explaining what transpired.
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