Washington prepares for massive holiday events amid intense heat wave

With the Independence Day holiday less than a week away, Washington, D.C. officials are working urgently to prepare for an influx of major events, security changes and significant road closures. Amid intermittent rain shutdowns at the ongoing Great American State Fair on the National Mall, emergency management teams are heavily focusing on preparing the city for an upcoming extreme heat wave forecasted to bring dangerous, triple-digit temperatures.