Also looming over the meeting are President Trump's inflammatory threats to make Canada the 51st state and take over Greenland.

South Korean President Lee Jae-myung departed for Canada on Monday to attend the Group of Seven summit, his first overseas engagement since taking office earlier this month.

The last time Canada hosted the meeting, US President Donald Trump torpedoed the gathering, calling his host 'dishonest & weak.'

The Prime Minister said targeting Moscow with further action would 'undoubtedly' form part of talks at the international summit this week unless the Kremlin engages in peace talks.

India is also a leading member of BRICS -- a bloc of leading emerging economies that includes Russia and China. BRICS has growing economic clout and is increasingly seen as a G7 rival.

Leaders from the Group of Seven nations begin annual talks on Monday amid wars in Ukraine and the Middle East that add to global economic uncertainty, as host Canada tries to avoid a clash with U.S. President Donald Trump.