With other leaders wanting to talk to Trump in an effort to talk him out of imposing tariffs, the G7 summit risks being a series of bilateral conversations rather than a show of unity, writes Euronews.

"Leaders of some of the world`s biggest economic powers have arrived in the Canadian Rockies for a Group of Seven summit, overshadowed by an escalating conflict between Israel and Iran and US President Donald Trump`s unresolved trade war.

Israel`s strikes on Iran and Tehran`s retaliation, which appeared to catch many world leaders unaware, is the latest sign of a more volatile world. Trump in recent days vetoed an Israeli plan to kill Iran`s Supreme Leader Ayatollah Ali Khamenei, a US official said, in an indication of how far Israel was prepared to go.

British Prime Minister Keir Starmer said he had discussed efforts to de-escalate the crisis with Trump and Israeli Prime Minister Benjamin Netanyahu, as well as other world leaders and said he expected "intense discussions" would continue.

As summit host, Canadian Prime Minister Mark Carney has decided to abandon the annual practice of issuing a joint statement at the end of the meeting.

European Commission President Ursula von der Leyen said that the bloc was committed to strengthening Ukraine, as the G7 leaders gathered to meet in Kananaskis, Canada for crucial talks: "To achieve peace through strength, we must put more pressure on Russia to secure a real ceasefire, to bring Russia to the negotiating table and to end this war. The summit will be defined by geo-economics and geopolitics at the same time. We need a frank discussion among the G7 partners, restoring a sense of stability and predictability among ourselves. That is the first priority".

Trump is the summit wild card. Looming over the meeting are his inflammatory threats to make Canada the 51st state and take over Greenland. French President Emmanuel Macron visited Greenland on Sunday for a symbolic stop on his way to Canada. Macron warned that Greenland is "not to be sold" nor "to be taken".