Sen. Jeff Flake Jeffrey (Jeff) Lane FlakeHow fast population growth made Arizona a swing state Jeff Flake: Republicans 'should hold the same position' on SCOTUS vacancy as 2016 Republican former Michigan governor says he's voting for Biden MORE (R-Ariz.) ripped White House National Trade Council Director Peter Navarro on Sunday for comments he had made earlier lashing out at Canadian Prime Minister Justin Trudeau, saying the remarks cannot be representative of the Republican Party.

"Fellow Republicans, this is not who we are. This cannot be our party," Flake said in a tweet.

Fellow Republicans, this is not who we are. This cannot be our party. https://t.co/xkGMYfoR9w — Jeff Flake (@JeffFlake) June 10, 2018

Flake was responding to comments made by Navarro earlier on Sunday, in which he slammed Trudeau's remarks on trade, saying there was a "special place in hell" for any leader who engages in "bad faith diplomacy" with President Trump.

"There’s a special place in hell for any foreign leader that engages in bad faith diplomacy with President Donald J. Trump and then tries to stab him in the back on the way out the door," Navarro told Chris Wallace on "Fox News Sunday."

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"That's what bad faith Justin Trudeau did with that stunt press conference. That's what weak, dishonest Justin Trudeau did, and that comes right from Air Force One," he continued. "To my friends in Canada, that was one of worst political miscalculations of a Canadian leader in modern Canadian history."

Trudeau announced on Saturday that all members of the Group of Seven (G-7) had reached an agreement at the weekend's summit in Charlevoix, Canada.

Hours later, Trump slammed the Canadian leader, declaring that the U.S. would not sign the G-7's joint communique and threatening to impose further tariffs on the country.

"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 said in a tweet.

Trudeau's office pushed back on Trump's announcement, saying the prime minister had been consistent with Trump during the summit.

"The Prime Minister said nothing he hasn’t said before — both in public, and in private conversations with the President," the Prime Minister's Office said in a statement.