The Israel-Iran conflict has cast a shadow over the G7 summit, which opens today in Kananaskis, Canada. There is very little expectation of common ground being found during the two-day meeting, as US President Donald Trump and other leaders try to negotiate on trade tariffs. The G7 leaders are expected to put out a joint statement calling for de-escalation in the Middle East, but there will likely be no joint communique at the end of the summit. Nick Harper reports.
