The National Investigation Agency (NIA) has intensified its crackdown on the Popular Front of India (PFI) for its alleged anti-national activities. NIA arrested one more accused, identified as Shahid Reza from Bihar's East Champaran district, yesterday in the Patna case relating to radicalization and indoctrination of youth. This has brought the total number of arrests in the case to 16. The agency has recovered a pistol, ammunition, an air pistol, a sword, and two knives from Reza's residence. The NIA's investigation revealed that the PFI members were involved in anti-national agenda.