Demonstrators gather near the White House to protest against US military action in Iran in Washington, DC, on April 7, 2026. On April 7, US President Donald Trump warned that "a whole civilization will die" in Iran if the country does not heed his midnight cutoff to open the Strait of Hormuz, as Tehran reported US-Israeli attacks on its infrastructure were already underway. (Photo by Brendan SMIALOWSKI / AFP via Getty Images)