Officials evacuated attendees from the Salute 250 program, where President Donald Trump was expected to speak ahead of a record-breaking fireworks show.

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”.

President Donald Trump is set to headline America’s 250th anniversary bash in nation’s capital over the weekend as the country celebrates its semiquincentennial on Fourth of July