They were arraigned on counts of conspiracy, cultism, and unlawful gathering.
Supporters of Atiku Abubakar have been remanded in prison until March 22, 2023 for bail consideration.
The order was given by a Magistrate Court sitting in Port Harcourt, the Rivers State capital.
The court remanded over 20 persons arrested in connection with a meeting by members of the Atiku Support Organisation in the state correctional centre.
They were arraigned on counts of conspiracy, cultism, and unlawful gathering.
Chief Magistrate Collins Ali after refusing bail application by the defence counsel directed that the suspects be remanded in the correctional centre, before adjourning proceedings to March 22, 2023 for bail consideration.
Details later.