Two explosions targeting the Iranian embassy hit the Lebanese capital Beirut on Tuesday, security sources said, killing at 18 people including the cultural attache at the Iranian embassy.<br/> <br />It was not immediately clear what caused the blasts. A security source said the blasts were caused by two rockets fired on the area, in the southern part of the city, but a second security source said there was a car bomb explosion.<br/> <br />Lebanon has seen several explosions and street clashes in Beirut and the northern city of Tripoli linked to the 2-1/2-year conflict in neighboring Syria.<br/> <br />There was no word on who was behind the blasts, but Syrian rebels have threatened to target President Bashar al-Assad's allies in neighboring Lebanon.<br/> <br />Shi'ite Iran has been bank-rolling Assad's fight against the mainly Sunni rebels and has given military support. It also supports the Shi'ite Muslim guerrilla group Hezbollah in Lebanon.
