New Delhi, June 6 -- The National Investigation Agency (NIA) has arrested absconding former MLA Saokot Molla, the prime suspect in West Bengal's Bhangar bomb blast case.

Molla, who had been on the run, was picked up from the state's South 24 Parganas district following continued searches by NIA as part of its investigation in the case, in which a crude bomb had exploded during manufacturing ahead of the West Bengal assembly elections. The explosion had killed one of the bomb makers and injured others.

The fourth accused to be arrested in the case, the ex MLA, was the key conspirator who had directed the other accused to make the bomb, NIA found during the investigation. Molla had also directed other accused to tamper with the scene of t...