Iran threatened to target US Navy ships in the Strait of Hormuz after two American destroyers transited the strategic waterway for the first time since the war began.The threat comes as Vice President JD Vance and Mohammad Bagher Qalibaf engage in direct ceasefire negotiations in Pakistan while Donald Trump orders missions to keep the channel open.French and Turkish leaders call for restraint as Israeli military strikes on Hezbollah in Lebanon continue despite the fragile truce.