News Wrap: Extreme heat wave blankets Texas, southern states

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• John Yang:

  Across much of the United States, forecasters are predicting extreme heat especially in the South. More than 40 million people are expected to experience dangerous heat. Hardest hit will be Texas where a heatwave is entering its third week. Temperatures they're expected soar past 100 degrees.

  Texas power utility says the state's electrical grid which failed during a cold snap in 2021 should hold but to be safe, they've asked residents to cut back on air conditioning.

  And the Coast Guard announced today that it has ended search and rescue operations for the Titan submersible. The craft imploded underwater this past week while taking five people to explore the wreckage of the Titanic, all aboard died.

  The Coast Guard's priority shifts to try to recover the pieces of a Titan from the ocean floor. There will be a full investigation to determine the cause of a tragedy.

  Still to come on PBS News Weekend, how the youngest victims of conflict and Sudan are coping as they flee the violence and the little known story of writer Alice Dunbar Nelson, who fought for racial equality and voting rights for women.