But the meeting of world leaders ended in acrimony with Donald Trump calling the Canadian leader Justin Trudeau “two-faced”, before cancelling a planned news conference and flying home.
The cause was a video that appeared to show Mr Trudeau gossiping about the US president with – among others – Boris Johnson.
The fallout from that – and another spat with the French President Emmanuel Macron – overshadowed talks that were supposed to tackle the most significant threats to security in Europe and the world.
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