Man dies after heatwave in western US

Dozens of people have been treated for heat-related ailments across the western United States, as the region sweltered on Saturday in dangerous triple-digit temperatures.

At least one heat-related death was reported by authorities in Las Vegas, where a man in his 80s was found dead inside a house that had no air-conditioning.

The victim suffered from other medical issues, but paramedics suspect heat was a contributing factor in his death, said Las Vegas Fire and Rescue spokesman Tim Szymanski.

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US wildfire '45% contained'

US fire officials have said that a deadly wildfire which claimed the lives of 19 firefighters is now 45 percent under control. The blaze in the state of Arizona has engulfed thousands of acres including large parts of the town of Yarnell.