The National Investigation Agency (NIA) on Wednesday raided 25 locations spread across Bihar, Karnataka and Kerala, in connection with the Popular Front of India (PFI) conspiracy to radicalise and train its cadres and members for carrying out acts of terror and violence. A slew of digital devices, including mobile phones, hard disk, SIM cards, pen-drives, data cards, etc, incriminating documents and materials related to the banned organisation were seized during the raids.