New Delhi, Nov. 17 -- The investigation into the Red Fort blast case has expanded to West Bengal, with the National Investigation Agency (NIA) questioning a suspect currently held in a Kolkata jail.
The suspect, Sabir Ahmed, a resident of Palashipara in the Nadia district, is being questioned at Kolkata's Presidency Jail.
According to sources, the NIA has interrogated him several times. His brother, Faisal Ahmed, was previously arrested by the Special Task Force (STF).
The NIA is conducting a continuous interrogation of Sabir to uncover links to the terrorist network.
In a related development, the NIA made its first arrest in the case on Sunday, taking into custody Amir Rashid Ali, a Kashmiri resident in whose name the car used in the a...