Before leaving, President Trump joined the other leaders in issuing a statement saying Iran "can never have a nuclear weapon" and calling for a "de-escalation of hostilities in the Middle East.

Canadian Prime Minister Mark Carney said he exercised his role as G7 chair in cutting reporter questions to President Donald Trump short before the summit began.

With world leaders gathered in Kananaskis, Alta., Prime Minister Mark Carney wants to set the G7 agenda on his terms and focus on the crucial issues — instead of U.S. President Donald Trump.

The G7 used to be the G8,” Trump began. “ [Former U.S. President] Barack Obama and a person named Trudeau didn’t want to have Russia in, and I would say that that was a mistake because I think you wouldn’t have a war right now if you had Russia in,

Russia was once in the exclusive club of major economies but was kicked out following its 2014 annexation of Crimea from Ukraine.

President Donald Trump claimed Monday that the Russia-Ukraine war could have been avoided if Moscow was still a part of the G7 forum.