US marks its 250th anniversary as a record heat wave disrupts July 4 events

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The United States is celebrating the 250th anniversary of its independence amid a historic heat wave that has disrupted July 4 events in multiple cities. The main event will be held on the National Mall with a presidential speech and a record-setting fireworks display.

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.