Flights to and from New Delhi’s international airport delayed and diverted as pollution reaches “unbearable” levels

Flights to and from New Delhi’s international airport were delayed and diverted on Sunday as pollution reached “unbearable” levels, leaving the Indian capital blanketed with heavy smog. Visibility was so poor that 37 flights – including at least one international journey – were diverted from the city’s Indira Gandhi International Airport. Pollution indexes saw air…