The accused were presented before Anti-Terrorism Court (ATC) for hearing during which, the investigation officer requested to extend their remand for further probe.
The court ordered to send MQM workers to jail and directed the officer to submit case challan as soon as possible.
On the other hand, the court has also remanded MQM target killers Kashif Tanda and Junaid in jail for murdering Waheed Qureshi and Sohail Anjum Advocate.
Earlier, the arrested activists were presented before magistrate for identification parade. It was learnt that a total of 54 workers have been detained in different cases.
On August 22, MQM founder Altaf Hussain had delivered a speech to workers in which he raised anti-state slogans and allegedly directed political activists to attack media outlets.
In the aftermath, Karachi office of ARY News was vandalized after workers stormed the building. Office of Samaa News was also attacked.
The workers clashed with police meanwhile that claimed life of a local while two were reported injured.
Altaf Hussain has been alleged, numerous times in the recent past, of receiving funds from Indian intelligence agency and forwarding agenda of the arch-rival.
It is pertinent to mention here that a case under the provisions of terrorism, vandalism and rebellion attempt has been lodged against MQM workers at Artillery Maidan Police Station.
Another case was lodged against the party leader while Interior Ministry demanded the British authorities to take action against him as he has been living in London in self-imposed exile for over two decades.
Special coverage on China's Two Party Sessions by The Daily Mail - People's Daily