Brutal heat cancels Fourth of July events, from DC to Philadelphia

AI Summary

Extreme heat across the United States has led to the cancellation of Fourth of July events from Washington DC to Philadelphia, with over 165 million people experiencing dangerous conditions of high temperature and humidity. The weather event poses health risks and affects public celebrations.

More than 165 million people are enduring dangerous heat and humidity, with temperatures expected to stay at 38C (100F) for several days.