Washington (CNN) President Donald Trump on Saturday accused Canadian Prime Minister Justin Trudeau of making "false statements" and said that the US will not endorse a G7 communique.

"Based on Justin's false statements at his news conference, and the fact that Canada is charging massive Tariffs to our U.S. farmers, workers and companies, I have instructed our U.S. Reps not to endorse the Communique as we look at Tariffs on automobiles flooding the U.S. Market!," the President tweeted on Saturday.

In a second tweet, President Trump said, "PM Justin Trudeau of Canada acted so meek and mild during our @G7 meetings only to give a news conference after I left saying that, 'US Tariffs were kind of insulting' and he 'will not be pushed around.' Very dishonest & weak. Our Tariffs are in response to his of 270% on dairy!"

Based on Justin's false statements at his news conference, and the fact that Canada is charging massive Tariffs to our U.S. farmers, workers and companies, I have instructed our U.S. Reps not to endorse the Communique as we look at Tariffs on automobiles flooding the U.S. Market! — Donald J. Trump (@realDonaldTrump) June 9, 2018

PM Justin Trudeau of Canada acted so meek and mild during our @G7 meetings only to give a news conference after I left saying that, "US Tariffs were kind of insulting" and he "will not be pushed around." Very dishonest & weak. Our Tariffs are in response to his of 270% on dairy! — Donald J. Trump (@realDonaldTrump) June 9, 2018

Shortly after Trudeau said that he was "happy to announce that we have released a joint communique by all seven countries" indicating that the US had signed on, Trump announced the US would reverse its decision and not sign on to the statement after all. The group of seven nations that make up the G7 are Canada, France, the United States, the United Kingdom, Germany, Japan and Italy.

The G7 communique references a number of shared priorities, including on trade, economic growth, national security and sustainability. At one point, the agreement states, "we acknowledge that free, fair and mutually beneficial trade and investment, while creating reciprocal benefits, are key engines for growth and job creation."

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