The G7 summit in Alberta, Canada will congregate for a third day today - with the notable exception of US President Donald Trump. The US president left the economic bloc's summit ahead of schedule last night, with the White House confirming he had to see to affairs at home as Israel's strikes on Iran continue.

Hosted by Mark Carney, Canada’s prime minister, the summit got off to an awkward start as Trump fumed about the exclusion of Russia from the grouping. He later made clear the US would not join European countries in imposing new sanctions on Moscow in order to press Vladimir Putin to negotiate seriously for a peace deal with Ukraine.

Before leaving, President Trump joined the other leaders in issuing a statement saying Iran "can never have a nuclear weapon" and calling for a "de-escalation of hostilities in the Middle East.