DC parade halted over dangerous heat

Organizers halted Washington's Independence Day Parade late Friday after an extreme heat warning, with heat index values expected between 110 and 115 degrees. The evening fireworks display remains scheduled.

1. Frame 1Organizers halted Washington's public parade after an extreme heat warning put residents and crowds at safety risk near 115 degrees.
2. Frame 2The National Park Service event had been scheduled for Saturday morning before organizers called off the procession late Friday.
3. Frame 3The National Weather Service warning pointed to dangerous heat and humidity across the capital and the East Coast.
4. Frame 4The heat was already straining transport services and the electricity grid as America's 250th birthday events approached.
5. Frame 5Officials said the evening fireworks display remained scheduled, shifting planning from the parade route to nighttime crowds.
6. Frame 6Remaining holiday events now depend on heat readings, crowd safety plans, and conditions along Washington's celebration route.