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.

At an economic summit of world leaders in Canada Monday, President Trump weighed in on the Israel-Iran conflict, telling reporters Iran would "like to talk, but they should have done that before." He told reporters as he met with Group of Seven summit host Prime Minister Mark Carney that Iran has "to make a deal.

Leaders from the Group of Seven nations begin annual talks on Monday amid wars in Ukraine and the Middle East that add to global economic uncertainty, as host Canada tries to avoid a clash with U.S. President Donald Trump.