The U.S. said it's discussing a new Iranian proposal to reopen the Strait of Hormuz but pause all negotiations over Iran’s nuclear program. Meanwhile, Lebanon marked the deadliest day since the fraying ceasefire in that country went into effect as Israeli attacks killed more than a dozen in the south.

Iran's top diplomat blamed Washington on Monday for the failure of talks after landing in Russia as part of a whirlwind diplomatic tour, with direct negotiations between the warring parties seemingly ...