Omoyele Sowore, Adeyanju Deji and others has called on the police authorities to release the journalist immediately.
The protest started at the Police Headquarters, Louis Edet House in Abuja by 10 am Today.
Ojukwu was arrested in Lagos on Wednesday, May 1 and transferred to Abuja on Sunday, May 5.
The journalist is being investigated by the National Cybercrime Centre (NPF-NCCC) for alleged Cybercrime violation following a petition from Adejoke Orelope-Adefulire, Senior Special Assistant on Sustainable Development Goals (SDGs) to then-President Muhammadu Buhari.
The petition was written on her behalf by a former National Legal Adviser of the All Progressives Congress, Muiz Banire (SAN).
Daniel, who is asthmatic, has been languishing in custody at the Force Criminal Investigation Department (FCID) Area 10 without access to his medication and doctor.