WATCH: Trump joins official leaders' greeting at G7 summit in France

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President Donald Trump arrived in the French Alps on Monday for the Group of Seven summit, where he joined fellow world leaders for official greetings. The visit came after Trump announced an agreement he says will end the U.S. war with Iran, though details remain unclear. The G7 gathering brings together leaders from some of the world's largest economies to discuss shared challenges. Trump's attendance marks a significant diplomatic moment, though the Iran claim and its implications for U.S. foreign policy are likely to dominate discussions.