People buy ice blocks from a vendor along a road during a heat wave in Karachi, Pakistan
People buy ice blocks from a vendor along a road during a heat wave in Karachi, Pakistan, June 24, 2015. Pakistan's financial capital of Karachi is wilting in the four-day heat wave that has killed more than 780 people, a health charity said on Wednesday, as the government declared a holiday in the city to encourage people to stay home and cool off. REUTERS/Akhtar Soomro
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