Instagram posturing, trade tariffs, too-firm handshakes and even false accusations that Canada burned down the White House have all made this year's G7 summit a more tense affair than usual.

The meeting between Canada, France, Germany, Italy, Japan, the UK and the US has even been dubbed the "G6 plus one" in reference to the growing isolation of US President Donald Trump.

All sides have been throwing shade during a tense two days in a Canadian castle. But do you know which world leader said what?