Kathmandu, Nov. 13 -- Indian security agencies have detained several suspects in the disputed Kashmir region as part of their investigation into this week's deadly car explosion in New Delhi, officials said Wednesday.

The blast occurred Monday near the historic Red Fort monument of New Delhi, killing eight people and injuring several other people. Authorities on Tuesday announced that they are investigating it as possible terrorism - a step that gives investigating authorities broader powers to arrest or detain people.

Red Fort, a major tourist attraction, is a 17th-century monument and the place where Indian prime ministers deliver Independence Day speeches on Aug. 15 each year.

If confirmed as a deliberate attack, it would be the de...