The regime accused Ifeanyi Ejiofor and Maxwell Opara, as accomplices constantly communicating with Mr Kanu.
A member of the Mountain of Fire and Miracles Ministry, Sefi Jimoh, kidnapped four days ago, has been released.
The Abuja Division of the Federal High Court has rejected the bail application of Nnamdi Kanu.
The British Council, the Inter-Party Advisory Council (IPAC) and other stakeholders have called for full engagement of youths in governance.
Armed bandits had on March 28 attacked the Abuja-Kaduna train, killing eight people and kidnapping 65 others.
Muhammadu Bello is standing trial for the alleged kidnap of Adeleke Ojo and Baba Ibeji, while travelling in a bus.
A national database lists those missing since 1964, with the tally continuing to climb amid ongoing drug gang violence.
The group said a visa ban would send a strong message to those imposing Islamic laws over and above Nigeria’s constitution.
Ezekwesili and Odinkalu had protested the brutal murder of Deborah Samuel by Muslim extremists over allegation of blasphemy.
The NBA asked the Sokoto State Government to immediately “file charges that truly reflect the gravity of the situation.”