Live from NPR News in Washington, I'm Corva Coleman.
The National Weather Service has issued extreme heat warnings for nearly 143 million people.
They're in much of the central and eastern U.S.
They face dangerous record-breaking heat today that's expected to extend into the holiday weekend.
NPR's Brian Mann reports from New York.
The National Weather Service says high heat and humidity will push the heat index into triple digits and trigger storms.
Here in New York City, officials have opened hundreds of cooling centers
and launched a fleet of cooling vans and buses that will patrol looking for vulnerable people.
Mayor Zoran Mamdani urged people to check on neighbors.
We know that on an annual basis, we lose about 500 New Yorkers due to heat-related illness.
However, we are speaking about what could be the hottest day in more than a decade.
The dangerously hot weather comes as millions of people are traveling
and celebrating the 4th of July and watching World Cup soccer matches.
Officials say people should prepare by bringing water, staying hydrated and limiting physical activity.
Brian Mann, NPR News, New York.
President Trump is appealing a court ruling.
It blocks key parts of his executive order that calls for restricting voting by mail.
NPR's Hansi Lo Wang reports on the ruling that found Trump's directive to be unconstitutional.
So far, President Trump's order has not directly affected mail-in voting.
It calls for the U.S.