Scorching conditions have forced officials in the US capital and elsewhere to cancel or postpone parades, concerts and fireworks displays.

The nation is gripped in a dangerous heat dome. Threatening millions of people in the Midwest and Eastern United States.

Residents have been urged to slash their energy use as the heat wave bakes the eastern U.S.

Cities open cooling centres, extended pool hours and urged residents to conserve electricity

With temperatures forecast to reach up to 42 degrees, the US president told an audience he planned to make a long speech, “just to show that I can do anything”.

A dangerous heat wave is bringing prolonged extreme heat to more than two dozen states across the Midwest, the South and the East Coast.

Millions of Americans sweltered in stifling heat and humidity Thursday with dangerous temperatures expected to hit major cities through the Fourth of July holiday weekend.

Millions of Americans sweltered in stifling heat and humidity Thursday with dangerous temperatures expected to hit swaths of densely populated areas through the Fourth of July…

National Weather Service warns heat index could reach 115F as extreme heat grips midwest, Ohio Valley and east coast

As the United States heads into a milestone July 4 holiday this weekend, parts of the Northeast are preparing for hazardous levels of heat.

High humidity is expected to make conditions feel even hotter

More than 160 million people — nearly half the U.S. population — are under heat alerts as of Thursday.

With bigger fireworks celebrations across the US, cities are expected to experience poor air quality under historic heat.

NEW YORK: Pools were packed and power grids strained as millions of Americans sweltered in stifling heat and humidity Thursday, with dangerous temperatures expected to hit major…

Dangerous heat wave threatens U.S. Fourth of July celebrations-

July 4 heatwave: A severe heatwave is gripping millions across the US, threatening July 4th celebrations with record-breaking temperatures and dangerous humidity. Outdoor events…

A 'prolonged, dangerous heatwave' is sweeping across the central and eastern United States, just hours ahead of the Fourth of July holiday. The temperature is expected to go up to…

Fourth of July weather update: Millions across the eastern United States face dangerous heat this Fourth of July weekend, with temperatures potentially reaching 115 degrees…

More than 250 million Americans are experiencing a dangerous heat wave that has already spoiled some Fourth of July plans.

More than 250 million Americans are experiencing a dangerous heat wave that has already spoiled some Fourth of July plans.

Dangerous heat dome disrupts American celebrations in Midwest and East Coast with travel delays and health problems