Guwahati city police on Thursday raided the house of a TV actress and seized several explosive materials, including a gadget used in making grenades.
The actress has been detained by police for interrogation. The raid took place at House number 10, Baghorbari, Masjid Gali, Panjabari.
Police, accompanied by a team of forensic experts, also seized a pistol, 25 rounds of ammunition, besides 45 kg of explosives from the residence of the actress.
Guwahati Joint Commissioner of Police Debraj Upadhyaya said investigations into the grenade attack on Wednesday night is going on in full swing and they have been able to make substantial progress.
The TV actress was detained after Sivasagar Police arrested a pro-talk ULFA leader named Pranamoy Rajguru who was then brought to Guwahati.