At least eight Israeli soldiers were killed in fighting with Hezbollah in southern Lebanon on Wednesday, as Iran waited to see what the response to its missile attack might be and the UN bristled at Israel’s jibes. The international community fears the Middle East could slip into all-out war after Tuesday’s Iranian missile barrage on Israel and with fronts already open in Lebanon and Gaza, where the Jewish state is fighting Islamist groups Hezbollah and Hamas allied to Tehran. “Iran is risking setting the entire region on fire: This must be prevented at all costs,” German Chancellor Olaf Schol…