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The Boston Globe

Nation

Heat wave across West may ground airliners

Temperature near 120 in Phoenix

PHOENIX — A blazing heat wave expected to send the mercury soaring to nearly 120 degrees in Phoenix and Las Vegas settled over the West on Friday, threatening to ground airliners and raising fears that people and pets will get burned on the scalding pavement.

The heat was so punishing that rangers took up positions at Lake Mead in Nevada to persuade people not to hike. And tourists at California’s Death Valley took photos of a thermometer that read 121.

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