US President Donald Trump on Saturday said he had instructed his representatives not to endorse a joint communique put out by the Group of Seven leaders after what he called Canadian Prime Minister Justin Trudeau's "false statements" at a news conference.
'Canadians, we're polite, we're reasonable, but we also will not be pushed around, ' Trudeau said.
Sticking points also remain in the North American Free Trade Agreement (Nafta) renegotiations between Canada, the United States and Mexico, despite it being a key topic during the bilateral meeting between Mr Trump and Canadian PM Justin Trudeau.
Earlier while still in Quebec, Trump said he wants to make a deal on NAFTA, and he's open to working with the current pact or striking separate agreements with Canada and Mexico - as long as they agree to renegotiate every five years.
Despite the apparent acrimony, it is likely that the G7 - which groups the United States, Canada, Great Britain, France, Italy, Germany and Japan - will issue a final communique at the end of the summit, a diplomatic source said. "As the president said, reduce these barriers, in fact go to zero, zero tariffs, zero non-tariff barriers, zero subsidies, and along the way we're going to have to clean up the worldwide trading system".
Although Canada and Mexico say the idea is unworkable, Trump told reporters earlier on Saturday that the new deal would contain such a provision.
The statement also details other things the leaders agreed to during the summit.
"It would be with regret but it would be with absolute clarity and firmness that we move forward with retaliatory measures on 1 July", Mr Trudeau said. "Canada can't believe they got away with it", Mr. Trump said.
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Trudeau said his nation is insulted that Trump unilaterally imposed stiff tariffs on Canada for "national security" reasons.
The G-7 became the G-8 in 1997, when Russian Federation became a member along with Britain, Germany, Italy, Canada, the United States, France and Japan.
"No tariffs, no barriers".
"The rules-based global order is being challenged, quite surprisingly, not by the usual suspects but by its main architect and guarantor, the US" - European Council president Donald Tusk vents his frustration at Trump.
European Council President Donald Tusk, who will attend the meeting of EU leaders, said in the New York Times this week "Europe must now do everything in its power to protect the trans-Atlantic bond, in spite of today's mood". He and Trudeau discussed the notion of a bilateral deal when they met Friday, according to a White House statement. "We had extremely productive discussions on the need to have fair and reciprocal, meaning the same". "It is going to stop or we are going to stop trading with them". "Americans stand with you, even if our president doesn't", he tweeted.
Russian Federation was thrown out of the group in 2014 over the annexation of Crimea.