Guwahati: Police on Saturday arrested three more persons in connection with Wednesday's grenade blast on Zoo Road that left 12 people injured.
"After the interrogation of Saikia and Rajguru, we have arrested three more people who played a direct role in the blast," said Guwahati Police Commissioner Deepak Kumar.
The arrested persons include former and current members of ULFA said, Kumar.
"The accused, identified as Amrit Ballabh Goswami, Indra Mohan Gauda and Chinmay Lakar, have been taken into custody. We will seek their police remand," said Kumar.
Kumar further said that the Union Home Ministry is seriously monitoring the case.
"ULFA which seemed decimated in the state appears to have begun new activities. The Home Ministry has instructed to take strict action against all people associated with the blast," said Kumar.
Police on Thursday arrested United Liberation Front of Assam (ULFA) leader Pranamoy Rajguru and a television actress Jahnabi Saikia for allegedly possessing a huge quantity of explosive materials in connection with the blast.
Read: Man arrested in Assam's Nagaon for his involvement in Guwahati blast
In the grenade blast that took place at 8 pm on Wednesday, 12 people were injured when two unknown bike-borne suspects lobbed a grenade at the state police troops and fled from the spot.