The United States marks the 250th anniversary of its independence on Saturday amid a historic heat wave that has forced the suspension or rescheduling of events in several cities across the country. The semiquincentennial commemoration, recalling the adoption of the Declaration of Independence in Philadelphia in 1776, will have its centerpiece on the National Mall in Washington, with a speech by President Donald Trump and the largest fireworks display in history.

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 heat wave over the Fourth of July weekend could put millions at risk of heat-related illnesses. Here’s what to do to stay safe—and why you don’t just need to drink lots of water

High humidity is expected to make conditions feel even hotter

It’s an historic weekend in America, one that's been years in the planning, when the nation will mark the 250th anniversary of the declaration of independence.

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

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…

Festivities marking the 250th anniversary of American independence are ramping up across the United States

WASHINGTON (AP) — Festivities commemorating the 250th anniversary of American independence ramped up across the United States on Friday as demonstrations of national pride — and…

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…

America gears up for its 250th Independence Day, a momentous occasion celebrating liberty and self-governance. This July 4th also echoes a peculiar historical coincidence: three…

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.

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President Donald Trump’s celebration for America’s 250th anniversary will culminate Saturday with a record-breaking fireworks show on the National Mall amid scorching temperatures…

Cities and towns across the U.S. are facing the tough decision of canceling or postponing festivities as a triple-digit heatwave continues.

A punishing heat wave threatened America's July 4th celebrations, World Cup matches and power grids as near-record temperatures scorched the eastern United States on Friday.

Early Friday afternoon, Freedom 250 announced that the Great American State Fair on the National Mall would temporarily close until 5 pm due to the heat.

Extreme heat has prompted event cancellations and delays as millions celebrate America’s big birthday.