Pakistan's heat wave has killed more than 1,000 people.

Pakistan's heat wave has killed more than 1,000 people. -

This is the second heat wave this year with a death toll in the four-digit range. Temperatures in Karachi, a city of 20 million, reached 111 degrees. Making matters worse, it has hit during Ramadan, when observant Muslims don't drink during daylight hours and many shops won't sell water or ice. Reuters

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