Um die 40 Grad, kollabierende Besucher: Zum 250. Jahrestag der USA mussten mehrere Veranstaltungen in Washington abgesagt werden. Donald Trump will dennoch auftreten.

With temperatures forecast to reach up to 42 degrees, the US president told an audience he planned to make a long speech, “just to show that I can do anything”.

The United States is preparing for what could be its hottest July 4th weekend ever, with a widespread heatwave already affecting over half the country. While meteorological…