AMMAN - The Lebanese terrorist group Hezbollah said on Thursday it did not send a drone into Israeli airspace, hours after Israel said it had shot down a drone from Lebanon."Hezbollah denies that it has sent any surveillance plane towards the occupied Palestinian land," a statement by the Iranian-backed armed Muslim Shi'ite group said.Asked whether Hezbollah, which sent a drone into southern Israel in October, was behind the incident, an Israeli military spokesman said an investigation was under way.