Iranian leader threatens immediate response to potential attack, and other Mideast news

Iran's supreme leader threatened an immediate response to a potential attack as diplomatic efforts continue in an effort to reduce the threat of a return to all-out war.Meanwhile, Iran's foreign minister said a proposal has been reached that would fully reopen the Strait of Hormuz in just two days as talks with mediators remain on track.Here is the latest news from the Middle East on Saturday. Read our full coverage here.Khamenei says ‘any kind’ of threat should get immediate responseIranian Supreme Leader Ayatollah Mojtaba Khamenei said that “any kind and level of threat” from the U.S. or Israel should face an immediate response without geographic limits, the official IRNA news agency said.State media said that Khamenei, who still hasn't been seen publicly since the war began with U.S. and Israeli strikes on Feb. 28, made the comments while meeting with the military. He also called for an updated list of potential U.S. and Israeli targets.Khamenei became supreme leader after the first