"Record-Breaking Heatwave Sweeps Across America, Affecting Over 170 Million People"

Over 170 million Americans are under heat alerts as a heatwave expands across the US, affecting parts of the Great Plains, Midwest, and Northeast. The largest electric grid operator in the US issued an emergency alert due to increased electricity demands. Several cities, including Phoenix and El Paso, have experienced record-breaking temperatures, and oppressive heat is expected in New York City, Washington DC, and the Twin Cities area. The heatwave has resulted in a significant number of heat-associated deaths, with Phoenix reporting 25 confirmed deaths and 249 more under investigation. New York City has issued an excessive heat warning and warned of severe thunderstorms.