The Department of State Services (DSS) formally filed charges Omoyele Sowore, convener of #RevolutionNow protest, on Thursday.
The secret police filed a five-count charge against Sowore.
The service is accusing the SaharaReporters publisher of causing insult to the person of President Muhammadu Buhari, money laundering and treason.
Sowore has been in detention since August 2. He was arrested on the eve of a nationwide protest which was scheduled to hold on August 5.
After his arrest, there was a crackdown on #RevolutionNow protesters by security agents around the country on the day the protest was scheduled to hold.
Following the news that Sowore was being charged for insulting the president, Nigerians took to social media to react.
