President Donald Trump is abruptly leaving the Group of Seven summit, departing a day early Monday as the conflict between Israel and Iran intensifies and the U.S. leader has declared that Tehran should be evacuated “immediately.

The president had opposed Israeli action against Iran but came to believe that Israel had reason to act and that the U.S. would have to lend some support.

President Trump on Monday sidestepped a question on what it would take for the U.S. military to get involved in escalating military strikes between Israel and Iran. “I don’t want to talk about that,” he told reporters on his first day of the Group of Seven (G-7) summit in Alberta,