Air pollution choking New Delhi has ground outdoor work to a halt and disrupted air travel in the Indian capital.

To combat worsening air quality, India's government has banned non-essential construction and encouraged residents to avoid burning coal for heating.

India’s government banned non-essential construction in New Delhi, the world’s most polluted capital, and urged residents to avoid burning coal for heating, to combat worsening air quality that has disrupted flights and obscured the Taj Mahal.