Temperatures in large parts of the southwest United States have soared to over 100 degrees Fahrenheit (38 degrees Celsius), topping 110 degrees in some areas. Similar levels were recorded across the US south, where humidity compounded the discomfort
Washington, United States: A relentless US heat wave that has triggered health alerts for more than 100 million people is set to intensify this weekend, with temperatures and humidity forecast to surge to suffocating highs in many parts of the country.