Israel strikes heart of Beirut, killing at least six ReutersLive updates: Israel vows response to Iran missile attack, strikes continue in Lebanon, Gaza CNNLive: Israel hits Beirut, killing 6, Hezbollah fights Israeli army in south Al Jazeera EnglishHamas refusing to engage in ceasefire talks, Houthi drones intercepted overnight The Jerusalem PostTop Hamas commander killed in Lebanon was UNRWA employee placed on administrative leave The Associated Press