U.S. President Donald Trump canceled a previously-scheduled news conference and left early from the NATO summit.

This comes hours after the video of other leaders appearing to make fun of him, went viral.

Britain's Princess Anne, Netherlands Prime Minister Mark Rutte, Canadian Prime Minister Justin Trudeau, French President Emmanuel Macron and British Prime Minister Boris Johnson are caught on camera talking about someone that appears to be President Trump, at a Buckingham Palace reception.

President Trump's response?

He said Trudeau is two-faced.

Reporters today asked Trudeau if he apologized over the video.

According to CNBC, Trudeau later clarified his "jaw dropping" comment, saying he was referring to the surprise announcement that the 2020 G7 summit will be held at Camp David. 

Trump previously rejected a plan to host the summit at his Miami golf resort.

After the "two-faced" comment, reporters covering NATO, published audio of Trump saying "that was funny when I said the guy's two-faced," according to CNBC.

Trump has experienced tension with other leaders during this summit. According to CNN, Trump and French President Emmanuel Macron disagreed on comments about NATO and ISIL fighters in Europe.