India, Nov. 11 -- The Hyundai i20 believed to have triggered Monday's deadly blast near the Red Fort was parked for nearly two hours at a lot adjacent to the monument before it exploded while moving slowly on Netaji Subhash Marg, investigators familiar with the initial probe said on Monday.

Investigators working on the blast, who asked not to be identified, said they used CCTV footage to trace the car's movement in the final few hours in the build-up to the deadly explosion. They said the footage shows the car, with three occupants, heading from the Daryaganj Market towards the Sunehri Masjid parking lot beside the Red Fort on Shantivan Marg around 4pm.

About two hours later, it was seen leaving the parking lot, taking a U-turn near Old...