The heat wave caused disruptions to public transport across the Northeast. Amtrak said it will be forced to slow train speeds between 12 p.m. and 8 p.m. on June 24 between Washington, D.C., and New York, and between Philadelphia and Harrisburg, which could lead to delays.

Tens of millions of people across the central and eastern US are enduring the hottest temperatures of the year so far, as a heatwave sweeps the country. The National Weather Service (NWS) has issued multiple extreme heat warnings and advisories,