In 2018, the president called for the group to embrace Russia and stormed out of the summit. Now he is seeking to shrink America’s military role abroad and embarking on a more expansive trade war.

There were some awkward moments during their Oval Office meeting in May, when Carney pushed back on Trump’s remarks about making Canada the 51st US state. But in Canada, the PM was praised for how he handled that high-stakes meeting.

The summit takes place amid growing geopolitical challenges, including the conflict in the Middle East and a trade war driven by US President Donald Trump’s tariff policies

The postponement of Sheinbaum's meeting with Trump means that she won't have the immediate opportunity to personally present Mexico's case against U.S. tariffs on Mexican steel, aluminum and cars.

U.S. President Donald Trump on Tuesday said Japan was being "tough" in trade talks and the European Union had not yet offered what he considered a fair deal, as a team led by Treasury Secretary Scott Bessent stayed at the G7 meeting in Canada to keep working on trade issues after Trump's abrupt early departure.

With both summits ahead, European leaders will have two opportunities to convince Trump about the importance of aiding Ukraine and ensuring European security.

A European official said the G7 summit and the NATO summit in The Hague later in June provided an opportunity to underscore to Trump the need to press ahead with a sanctions bill