India, Nov. 19 -- Investigators probing the Red Fort car explosion have recovered a video of Umar un-Nabi, who was behind the wheel of the white Hyundai i20, defending the concept of suicide attacks in what security experts say could signal attempts to radicalise others.

The one-minute, 20-second video, believed to have been recorded in April, shows Nabi alone in a room speaking in English about suicide bombing - likening the terrorist act to "martyrdom".

The video was retrieved from a mobile phone recovered from a water body near un-Nabi's house in Koil, Pulwama, according to a Delhi Police officer aware of the matter. Nabi had last visited his family there in September-October, during which he gave the mobile phone to his brother, Zah...