India's capital Delhi is blanketed in toxic smog every autumn, but the pollution is already so bad that it's drawn protests as authorities tell students to stay home.

Authorities in India are investigating a deadly blast near a busy metro station in New Delhi. The explosion late Monday near the historic Red Fort killed at least eight people and injured several others.

The move follows a weekend protest where police detained dozens of people demanding cleaner air, a rare public demonstration against pollution in the Indian capital.

At least eight people were killed in a car explosion on Monday near the historic Red Fort in a densely populated district of the Indian capital Delhi, a city police spokesperson said, though the exact cause of the blast is still being investigated.

A car blew up near the historic Red Fort in India's capital New Delhi, killing at least eight people, police said, adding that the cause remained unclear.

India’s top security official said the cause of the blast, near the Red Fort in the capital, was still being investigated.

The warmth of the room, the glow of soft light on bookshelves, the scent of masala tea, the unguarded sharing, give the evening the intimacy of a living-room conversation. As the evening winds down, Niyogi reflects on what Sahara might grow into. “Delhi is where it begins,” she says, “but we hope to take Sahara to Kolkata next year.”

The Shanghai Cooperation Organisation offers China and India a rare space to manage rivalry through cooperation, balancing tensions through mutual geopolitical constraints.

On the weather side, Delhi recorded a maximum temperature of 26.4 degree Celsius, which is 2.1 degree Celsius below normal, and a minimum temperature of 10.2 degree Celsius on Friday.