Temperatures are forecast to rise above 50 degrees Celsius in parts of the south-west United States, as an extreme heatwave forces airlines to ground planes and strains power grids.
|Phoenix man Steve Smith tries to keep hydrated|
as temperatures climb to near-record highs.
Major airlines delayed and cancelled flights out of Las Vegas and Phoenix airports as temperatures hit the high 40s, citing difficulty in operating aircraft in extreme heat.
American Airlines cancelled 20 regional flights out of Phoenix, Arizona on Tuesday after temperatures in the desert city soared toward 49 degrees Celsius.
The forecast called for a high of 49 degrees Celsius in Phoenix, 48C in Palm Springs, California, and 52C in Death Valley — a desert valley in Eastern California.
Read the ABC News story - “Arizona flights grounded as temperatures set to soar to 50C in extreme heatwave.”