Lebanon was holding its breath on Monday in anticipation of a major Israeli response to a deadly air strike blamed on Hezbollah that killed 12 children from a Druze community in the Israeli occupied Golan Heights. Western diplomats have been urging Israel to show restraint, while the UN peacekeeping force that mans the Israel-Lebanon border, known as the ‘Blue Line’, has called on all parties to exercise “maximum restraint” to avert a wider conflagration. Throughout Monday, there was a flurry of urgent diplomatic activity aimed at defusing tensions. British Foreign Secretary David Lammy spoke …