Fani-Kayode was re-arrested at the premises of a Federal High Court, Ikoyi, Lagos.
Reacting, his camp alleged that the presidency had ordered extreme measures on the former Aviation Minister.
In a statement Monday night, Ndukwe expressed "fears that Fani-Kayode’s life was in dire danger as long as he remained in EFCC custody or in the custody of any agency of the federal government based on discreet information available to us.
"This is apart from the fact that his health has been badly affected since his incarceration for a whopping 67 days based on some questionable ‘detention orders’.
"This fact is well known to the EFCC as Fani-Kayode’s lawyers have written several letters to the Commission reminding them of the healthconditions of the former minister of aviation.
"Although Chief Femi Fani-Kayode was yet to complete the recovery therapy he was undergoing after spending the initial 67 grueling days in EFCC custody wherein he was also physically attacked by one of the Commission’s agents.
"In deference to the law and the Commission, he painfully but willingly cut short his therapy and medical checks to attend court proceedings.
"One would have thought that these were enough to convince EFCC that Fani-Kayode was very willing to face his persecutors in court. But rather than be humane in their conduct, EFCC hounded him for the umpteenth time on that fateful Friday and have since kept him in custody.
"It is therefore little wonder that based on the history of his medical conditions which the Commission is very much aware of, Chief Femi Fani-Kayode slumped while in detention on Saturday, 22nd of October, 2016.
"But for the quick and professional intervention of the medical team in the EFCC medical facilities, the story could have been different, it could have been fatal!
"We must commend the medical staff at the Commission’s medical facility. They were prompt in their response, and very impressive in their care. It is very heartwarming to know that some professionals have not allowed the political witch hunt and persecution of political opponents and perceived enemies taint their professional calling.
"For the avoidance of doubt, we reiterate our earlier warning that nothing untoward must happen to Chief Femi Fani-Kayode whether now or in the nearest future. Should anything happen to him, we can assure those responsible that there would be reactions of unimaginable propensity."
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