Top political leaders are gathering in Kananaskis until June 17, marking a half-century of international co-operation among some of the world’s most-advanced economies.

All the heads of state of G7 countries are expected to attend, along with Ukrainian President Volodymyr Zelensky, Australian Prime Minister Anthony Albanese and Indian Prime Minister Narendra Modi

Asked about the hold-up to a trade deal between the two countries, Trump said he and Carney have different "concepts." "I have a tariff concept," Trump said. "Mark has a different concept, which is something that some people like,

A year later at a G7 meeting also in Canada, Trump made his most indelible mark on the summit circuit. A viral photo showed him sitting defiant, with arms crossed, staring up at German’s then-chancellor Angela Merkel, while other leaders stood around her.

Air Force 1 has taken off from the Calgary airport, after U.S. President Donald Trump spent one day at the G7 leaders' summit in Kananaskis, Alta.