He is being probed by the anti-graft agency over alleged N432 billion money laundering.
ICPC did not specifically state its reasons for arresting Mr El-Rufai on Wednesday night.
According to him, they were arrested following a viral video circulated on social media platforms.
Mr El-Rufai is being grilled over alleged fraud during his tenure as governor from 2015 to 2023.
Mr El-Rufai was charged based on the provisions of the Cybercrime Act 2024 and the Nigerian Communications Act 2003.
Mr El-Rufai had resisted an attempted arrest at the airport in Abuja on Thursday by SSS operatives.
The directorate covers Anambra and Imo.
Mr Orya served as the managing director of NEXIM Bank from 2011 to 2016.
The witness stated that no transaction in Exhibit 33(8) had Mr Bello’s name.
He said that the suspects would be charged to court upon the conclusion of investigations.
