A car explosion near Delhi's Red Fort has rocked the national capital. Authorities have sealed off the area and issued a traffic advisory restricting movement on several routes. Red Fort remains closed to visitors as forensic and security teams continue their investigation into the blast.

Indian Defence Minister Rajnath Singh has said the country’s top investigation agencies are probing the explosion that killed at least eight people in Delhi on Monday.

A thick layer of smog has enveloped India’s capital, New Delhi, as pollution levels surge, worsening a public health crisis.