India, Nov. 19 -- Investigators in Srinagar probing the Red Fort car blast say Umar un-Nabi, the doctor who drove the explosive-laden Hyundai i20, was the most radical among the white-collar terror network, firmly believing in suicide bombings.

Their assessment has gained sharper focus after a video recovered from a damaged mobile phone showed Nabi defending suicide attacks and likening them to "martyrdom", an indication that he may have been attempting to radicalise others.

The one-minute, 20-second clip, believed to have been recorded in April, features Nabi alone in a room speaking in English about suicide bombing.

The video was retrieved from a phone recovered from a water body near his home in Koil, Pulwama.

According to a Delhi ...