Kolkata, Nov. 16 -- The National Investigation Agency (NIA) on Saturday evening released a medical student with family roots in North Dinajpur, a day after detaining him in connection with the recent explosion near Delhi's Red Fort.

Nishar Alam, an MBBS student at Al-Falah University in Haryana, was picked up from the bustling Surjapur Bazar area in North Dinajpur district on Friday morning by a special NIA team that had travelled overnight from Delhi.

He was first taken to Islampur for preliminary questioning and later shifted to Siliguri for further interrogation.

Family members said the 22-year-old was released after investigators found no inconsistencies in his statement.

However, he has been advised not to speak publicly about the ...