DEVELOPING: Tensions flare in the Middle East after an explosion inside a building in southern Lebanon, believed to be a Hezbollah position, leaves 2 Israeli so

DEVELOPING: Tensions flare in the Middle East after an explosion inside a building in southern Lebanon, believed to be a Hezbollah position, leaves 2 Israeli soldiers dead and 4 wounded, triggering immediate Israeli retaliatory airstrikes. It's the worst violence since the U.S.-brokered June ceasef…