A team from Police's Special Cell arrested the alleged mastermind of the May 15 grenade blast in Zoo road. He was identified as Bijoy Asom.

Based on the information provided by Jahnabi Saikia (one of the prime accused in the grenade blast case), the Latashil Police brought another accused Chinmoy Lahkar to its custody for thorough interrogation.

The youth packs the grenade to hurl it at the spot and picked up another youth on his way to accomplish the plan – As per reports.

The Golaghat Police also detained a former United Liberation Front of Assam (ULFA) member in connection with the blast, identified as Amit Ballav Goswami, the man was bomb experts of the ULFA.

On May 16, Police arrested Jahnabi Saikia Das and 'self-proclaimed' pro-talk ULFA member Pranamoy Rajguru in connection with the blast near Guwahati Central shopping mall in Zoo Road.