People use red hand paint to make signs as protestors rally against US military action in Iran during a demonstration 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 Mandel NGAN / AFP via Getty Images)