The U.K. government underlined its previous stance that the United States could only use British bases for defensive purposes, after President Trump threatened to strike civilian targets.
President Trump has threatened devastating attacks if Iran does not reopen the Strait of Hormuz. Some Iranians questioned what had happened to American values.
Both countries have offered plans that could form the basis of negotiations. So far, each side's leaders have publicly dismissed the other side's proposals.
Images of Kim Ju-ae at the helm of the military vehicle, with her father riding on top, added to speculation that she was being groomed to succeed him as North Korea's leader.
As the Persian Gulf conflict boosts the oil revenue that finances Moscow's war against Ukraine, Kyiv's forces are striking at Russia's ability to refine and ship its crude.
President Trump has threatened to destroy Iran's bridges and power plants on Tuesday night Eastern time if it does not open the Strait of Hormuz. There have been no public signs of a diplomatic breakthrough.