Officers from the UK Border Force are rushing to help trapped Britons flee Lebanon as Israel is preparing for a ground invasion. It comes as Hezbollah leaders reportedly toldIran to launch the attack as revenge for the killing of Hamas’s political leader Ismail Haniyeh. The United States, France and several allies called for an immediate 21-day ceasefire across the Israel-Lebanon border at a United Nations meeting in New York. A senior Biden administration official said the ceasefire would apply to the Israel-Lebanon “Blue Line,” the demarcation line between Lebanon and Israel, and would allow…