The worst part of the heatwave is expected later this week into the weekend, with highs in northern and northwest India, including some parts of Pakistan, being 5-8 degrees Celsius above normal.

More than a billion people will experience unreasonable levels of heat, according to Scott Duncan, an extreme climate expert – 10 per cent of the world’s population.

Temperatures could range from the mid-to-mid 40 degrees Celsius in the region, including New Delhi, meaning temperatures could reach 110 degrees Fahrenheit or up to 120 degrees Fahrenheit.

That heat, alas, does not sleep.

Extreme temperatures during the night can be fatal

University of Maryland, Baltimore

The University of Maryland, Baltimore is a public university in Baltimore, Maryland. Founded in 1807, it comprises some of the oldest professional schools of dentistry, law, medicine, pharmacy, (wikipedia)