The prime suspect in the case, identified as Rana Irfan Mahmood, is still at large, said the police.
There is no truth in reports of a student's death during the protest, said the DIG Operations Lahore.
Police officials told media that CIA's AVCC officials nabbed two more cops, taking the number of arrests to six including a high-ranking officer.
Senior Superintendent Police (SSP) East told media that two varsity students and a rickshaw driver have been arrested during a raid conducted on a tip-off in Karachi.
Bilawal Bhutto-Zardari directed PPP workers and senior leaders to reach Multan where the opposition alliance is likely to hold a public gathering at Qila Kohna Qasim Bagh stadium tomorrow.
The Multan administration has taken control of Qila Kohna Qasim Bagh stadium again besides arresting various Pakistan Democratic Movement (PDM) leaders and workers.
CTD in-charge Mazhar Mashwani said that the terrorists had been declared most wanted by different institutions.
The NAB Lahore chapter on Wednesday released a report on its three-year performance.
The NAB sources told ARY News that more arrests are expected to be made which will include many high-ranking officers for their part in the construction of an illegal housing scheme.