He was placed on a three-day remand for interrogation
Police have held a 28-year-old man in Dhaka on multiple allegations, including posting provocative posts on social media and uploading militancy-related pictures.
The Counter Terrorism and Transnational Crime Unit (CTTC) of Dhaka Metropolitan Police (DMP) said one Shohag Hossain was picked up on Friday from Shymoli under Mohammadpur police station.
A mobile phone set was also recovered from his possession.
Shohag also faces allegations of spreading militancy and misinterpretations of religion.
A case was filed under the Digital Security Act wth Ramna Model police station in this connection.
The DB produced Shohagh before a Dhaka Metropolitan magistrate court on Monday. The magistrate granted a three-day fresh remand for interrogation.
Sources at the CTTC said, the Cyber Intel team of the City-Intelligence Analysis Division had been conducting online monitoring from March 1 to June 6 this year as part of regular cyber patrolling.
During the monitoring period, the Cyber Intel team detected that one Khalid Ibn Walid was trying to disrupt law and order, including spreading militancy, through his facebook ID by uploading various provocative and militant pictures.
Based on the allegation, a team of the CTTC conducted a raid at Shyamoli area in the capital at around 11:00 pm on Friday and arrested Shohagh, said Sayed Nasirullah, additional deputy commissioner (ADC) of City-Intelligence Analysis Division.
The police official claimed that during the preliminary interrogation, the accused had admitted his involvement in the anti-state activity.