Photos: Smog-hit New Delhi extends school shutdown

Authorities in India’s smog-ridden capital have extended an emergency schools closure by a week, with no signs of improvement in the megacity’s choking levels of pollution.

New Delhi is blanketed in acrid smog every autumn, primarily blamed on stubble burning by farmers in the neighbouring agrarian states.

The city of nearly 30 million residents is regularly ranked as one of the most polluted on the planet, with its annual smog blamed for hundreds of thousands of premature deaths each…