Iranian leader says Tehran has defused regional threats

By Bozorgmehr Sharafedin and Babak DehghanpishehLONDON (Reuters) - Iran has defused all regional threats against the country, the Supreme Leader Ayatollah Ali Khamenei said on Tuesday, as tension rises between Tehran and Washington over the influence of the Islamic Republic in the Middle East.In an Iranian New Year message, Khamenei did not specify any particular threat.Shi'ite Iran has also been locked in a regional power struggle with Sunni Saudi Arabia which has extended to the war in Yemen a