Thousands of residents and vacationers have fled by land and by sea as firefighters and volunteers battled through the night. It comes during the country's worst heat wave in three decades.

The U.S. was averaging about 11,000 cases a day in late June. It's now averaging 100,000 new COVID-19 infections a day, returning to a milestone last seen during the winter surge.

The gold medal for U.S. star Allyson Felix brings her Olympic medal total up to 11, surpassing the record set by U.S. track legend Carl Lewis.

As the delta variant spreads across swaths of the U.S., hospitals find themselves overwhelmed. Felicia Croft, an ICU nurse in Shreveport, says people in the hospital are younger and sicker.