Kolkata, Feb. 17 -- The Special Task Force of Kolkata police on Saturday arrested an alleged operative of terror outfit Jamaat-ul-Mujahideen Bangladesh (JMB), said to be directly involved in last year's Bodh Gaya blast, an officer said.

Ariful Islam, 22, a resident of Panpara village in Assam's Barpeta, was apparently plotting a conspiracy for securing the escape of Kausar - one of the key accused in Burdwan's Khagragarh blast case of 2014 - from the Presidency Correctional Home (as jails are called in West Bengal).

He was taken into custody from central Kolkata's Babughat area.

Islam, who worked as a helper with truck drivers, came in touch with JMB operatives Jahidul Islam alias Kausar and Abdul Majid, who invited him to join the outfi...