Dhaka, June 17 -- G7 leaders on Monday called for "de-escalation" in the Middle East, starting with the Israel-Iran conflict, even as US President Donald Trump hastily left the group's summit. Trump, who was making his return to the international diplomatic calendar, prepared to leave the gathering in the Canadian Rockies a day early as ally Israel pounds Iran. After a day of statements backing diplomacy, Trump ominously took to social media to sound a warning to the people of the Iranian capital, Tehran, whose population is nearly 10 million. "Everyone should immediately evacuate Tehran!" he wrote on his Truth Social platform. But after hesitating at backing a joint statement on the crisis, Trump relented during a dinner at the forested ...