India, Nov. 12 -- The centuries-old lanes around the Red Fort, usually echoing with the calls of vendors and the bustle of shoppers, fell into an unsettling silence on Tuesday morning, a day after a deadly blast ripped through the area, leaving behind a trail of destruction and human remains still scattered on the streets. The area, which typically teems with traffic and tourists, has now turned into a cordoned-off zone of mangled metal and shattered calm. Locals said they continued to spot human remains long after the explosion.

"When I was walking through the street, a piece of flesh got stuck to my slipper. I froze for a moment. It was horrifying. I have never witnessed anything like this before," said local shopkeeper Umesh Rai, who al...