New Delhi, Nov. 12 -- Findings of the initial probe into the blast near the Red Fort suggest it may have been "accidentally triggered" while a hastily assembled explosive device was being transported, following the busting of an inter-state terror module, officials said on Tuesday.

Investigators have zeroed in on a Pulwama-based doctor, Umar Nabi, who was driving the car used in the explosion that claimed 12 lives, and had alleged links to the terror module busted with the recovery of explosives mainly from neighbouring Faridabad in Haryana.

J&K police takes DNA sample from Nabi's mother

On Tuesday, the Jammu and Kashmir Police took a DNA sample from Nabi's mother to establish the relation.

Sources said that the explosion was triggere...