The 2018 summit ended with Trump assailing his Canadian hosts on social media as he departed on Air Force One, saying he had instructed the U.S. officials who remained in Quebec to oppose the G7 joint statement endorsed by the leaders of Japan, France, the United Kingdom, Italy, Germany and, of course, Canada.

Trump's relationship with Canadian Prime Minister Mark Carney will be in the spotlight at the G7, after past conflict with his predecessor, Justin Trudeau.

Prime Minister Narendra Modi arrives in Calgary for his first G7 Summit in a decade. With pressing global issues on the agenda, including energy security and technology, this visit is pivotal for mending ties with Canada amidst rising geopolitical tensions.

Donald Trump has signed a trade agreement with the UK that will slash tariffs on goods from both countries but does not include an agreement on steel.

Canada and India are reportedly set to announce a new intelligence-sharing initiative after years of bad blood stemming from assassinations in the North American country linked to the Indian government.