More than 100m Americans urged to stay indoors amid extreme heat | First Thing

Heatwave expected to stretch from Gulf coast to Carolinas, reaching 100F in some cities. Plus, the 67-year-old crowd surfer

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Good morning.

More than 100 million Americans have been advised to stay indoors as high temperatures and humidity settle over states from the Gulf coast up to the Great Lakes and east to the Carolinas.

What's causing this? The climate crisis has set the stage for increasing extreme weather, experts say.

What did Arruda say? We are deeply sorry the embassy passed on to the family yesterday information that did not prove correct," he said.

How was the mistake made? The Brazilian diplomat claimed a multi-agency team created at the London embassy to respond to the disappearances had been misled" by information it had received from investigating officials.