He told reporters as he met with Group of Seven summit host Prime Minister Mark Carney that Iran has "to make a deal." The president confirmed that he's seen messages from Iran, through intermediaries indicating a wish to deescalate.

The summit comes amid rising international tensions, as Trump and other allies continue their quest for an accord between Russia and Ukraine.

President Trump arrived in Canada for the G7 summit, where the Israel-Iran conflict will be a key issue for world leaders. NBC News' Gabe Gutierrez reports on the possible pressure Trump could face to de-escalate tensions between the countries.