Independence Day meltdown: Heatwave wreaks havoc on July 4th celebrations

America’s biggest birthday bash, Independence Day, has been thrown into chaos after a brutal heatwave turned Fourth of July celebrations into a sweltering survival test. Millions of Americans hoping for barbecues, parades and spectacular fireworks instead face soaring temperatures topping 100F (38C), with humidity making it feel as hot as 115F (46C) in some cities. […]