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Sweltering heat and raging floods are sweeping across several parts of the globe.

Almost a third of Americans are under extreme heat advisories, while at least four people have been killed by floods in Pennsylvania.

US Correspondent, Richard Arnold, told Mike Hosking that Death Valley will likely hit over 54 degrees Celsius today.

He says Phoenix just broke its daily high, with temperatures reaching nearly 48 degrees, and they\'ve now had 16 days straight over 43 degrees.

Southern Europe is bracing for a second heatwave in a week, with record temperatures expected to be broken in places like Italy, Greece, and Spain.

In South Korea, at least 37 people are dead after severe flooding across much of the country.

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