Heat wave scorches U.S., bringing record-breaking temperatures

An intensive heat wave continued to grip much of the United States this weekend, triggering record-breaking temperatures and placing millions of people under heat alerts.

"A heat wave will continue over much of the eastern U.S. south of a quasi-stationary boundary," the Weather Prediction Center said on Saturday.

More than 115 million people across the United States are currently under active National Weather Service extreme heat alerts, according to the National Integrated Heat Health Information System on Saturday.