Disney Celebrates America live updates: Fireworks light up skies over DC, New York City
Follow along as ABC celebrates with 24 hours of programming.
ABC is marking America's 250th anniversary with 24 hours of unparalleled programming called "Disney Celebrates America."
The multi-platform broadcast, led by ABC News "World News Tonight" anchor David Muir, features coverage across all 50 states and runs through the night of July 4.
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Great American State Fair postponed amid extreme temps
In Washington, D.C., the Great American State Fair abruptly closed mid-day Friday due to the dangerous temperatures, organizers said.
The heat index -- what temperature it feels like with humidity -- is forecast to reach a scorching 113 degrees in D.C. on Friday.
Organizers said the fair will reopen at 5 p.m.