His arrest was believed to be connected to his speech at a forum held at the Kuala Lumpur and Selangor Chinese
Assembly Hall on Monday where he allegedly urged the people to go down to the streets to protest against an allegedly unfair election and to topple the government.
City police chief Datuk Mohmad Salleh confirmed the arrest.
He said the suspect has been taken to Jinjang police lockup for investigation.
Adam Adli previously made headlines for bringing down a flag bearing Prime Minister Datuk Seri Najib Razak’s image outside the Umno headquarters at the Putra World Trade Centre on Dec 17, 2011.
He has since been suspended for three semesters from Universiti Pendidikan Sultan Idris.