The remaining six leaders at the G7 are forging ahead today after U.S. President Donald Trump's early departure from the summit.

Iran has been called "a major source of regional instability."

G7 leaders on Monday called for "de-escalation" in the Middle East starting with the Israel-Iran conflict, as US President Donald Trump hastily left the group's summit. Trump, who was making his return to the international diplomatic calendar, departed the gathering in the Canadian Rockies a day early as ally Israel pounded Iran.

President Trump is in Canada Monday for the G7 summit, as his aides will be negotiating with those same allied nations over the tariffs he's imposed. The summit, which is taking place just outside of Calgary,

G7 leaders issued a joint statement affirming that Israel has the right to defend itself and calling for de-escalation in the Middle East.

Blasts have been heard in Tehran and sirens have sounded in Israel as US president convenes National Security Council.