KANANASKIS, Alberta: Six of the Group of Seven leaders were wrapping up their summit on Tuesday, attempting to prove that the wealthy nations’ club still has the clout to shape world events despite the early departure of US President Donald Trump. Canadian Prime Minister Mark Carney and his counterparts from the UK, France, Germany, Italy and Japan were joined by Ukrainian President Volodymyr Zelensky and NATO chief Mark Rutte and discussed Russia’s relentless war on its neighbor at what has essentially become just the G6.

The gathering of leaders in Alberta will be a big test for Canada's new leader. We break down his challenges.

President Trump meets with G7 allies near Calgary after slapping tariffs on countries around the world and vowing to make Canada the 51st U.S. state.

Leaders gather at summit in Kananaskis in Canadian province of Alberta