India, Nov. 20 -- The National Investigation Agency (NIA) on Thursday arrested four more people from Jammu and Kashmir and Uttar Pradesh for their alleged role in the November 10 blast near Delhi's Red Fort, taking the number of those held in the case to six.

It said Dr Muzammil Shakeel Ganai (Pulwama), Dr Adeel Ahmed Rather (Anantnag), Dr Shaheen Saeed (Lucknow), and Mufti Irfan Ahmad Wagay (Shopian) were taken into custody on production warrants of a Patiala House Court (Delhi) judge. The four are suspected to have played direct roles in the planning and execution of the blast.

An NIA officer said that the arrests are among the most significant since the case was handed over to the agency. "We had earlier apprehended Amir Rashid Ali, ...