India's Supreme Court has called for a "pollution lockdown" in the capital New Delhi to protect citizens from toxic smog.
Air quality in the Indian capital has been off the scale in recent weeks.
On Monday, justices ordered authorities to halt all non-essential travel and close offices.
Millions of people will be forced to work from home if the lockdown is imposed, and it is unclear how long it might last.
Schools were already shut for a week on Saturday to avoid children breathing the polluted
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