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.

U.S. President Donald Trump will attend the G7 conference in Canada during a period of heightened tensions between the U.S. and its allies, as well as between Iran and Israel.

Trump and Zelenskyy are expected to meet during a Group of Seven summit for advanced economies that's taking place in a remote area of Canada.

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.

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

As President Donald Trump arrives in Canada to meet with world leaders at the Group of Seven summit, his key priorities threaten to be overshadowed by the escalating conflict between Iran and Israel.

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.