By Jessica Frank-Keyes A major war in the Middle East is “a real danger”, a cabinet minister has warned following an escalation of hostilities between Israel and Hezbollah overnight. Early on Sunday, the Israeli military launched what it described as “pre-emptive” strikes against the militant group in southern Lebanon, saying it had detected plans to attack Israel. Hezbollah, an Iranian-backed group based in southern Lebanon, itself launched a series of drones against targets in Israel, saying it was acting in response to the killing of one of its top commanders in an air strike on Beirut last…