Former US Ambassador to NATO Ivo Daalder reacts to President Trump’s comments at the G7 and talks with CNN’s Wolf Blitzer about the challenges leaders will face during the summit.

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.

Ten years ago today, Trump 📹famously descended the escalator to announce he was running for president. In today’s issue: G7 gathering underway Trump Organization launches phone

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.