New Delhi, June 15 -- Right after his 80th birthday party celebrations, U.S. President Donald Trump is heading to a summit in France of the G7 club of powerful democracies to dive into issues - Iran, Ukraine, trade and more - that have been sources of friction with allies he will be meeting.

Hours before leaving Washington, Trump announced an agreement to end the war - a development that could change the dynamic for the G7 leaders during the talks from late Monday to Wednesday.

Just days ago, when the Iran-U.S. ceasefire was hanging by a thread, with resumed strikes, the gathering on the shores of Europe's largest Alpine lake appeared headed for stormy waters.

Analysts speculated that tempers could flare and that Trump might not stick ...