Weather
Tens of millions swelter as heat wave blasts US
Key Points
Tens of millions of Americans sweltered under furnace-like temperatures Tuesday as central and eastern cities hunkered down for a heat wave set to last through the July 4 holiday weekend.
Tens of millions of Americans sweltered under furnace-like temperatures Tuesday as central and eastern cities hunkered down for a heat wave set to last through the July 4 holiday weekend.