TV AND WEB RESTRICTIONS~**NONE*~<br/> <br />An explosion in the southern suburbs of Beirut on Wednesday (February 19) appeared to be caused by a twin bomb attack using a car and a motorcycle, security sources said.<br/> <br />The blast occurred near Iran's cultural centre in an area supportive of Shi'ite political and militant movement Hezbollah. Iran's embassy in the same area was targeted by a bomb attack in November, one a series of car bombs in southern Beirut since July.<br/> <br />The Kuwaiti embassy is also located in the same area.<br/> <br />Several burnt out vehicles and debris littered the scene, with the windows of near-by buildings blown out.<br/> <br />Lebanese television showed the flaming wreckage of several cars and Lebanese soldiers standing in the streets. A wounded man was carried away on a stretcher. Glass covered the road and nearby buildings were damaged.<br/> <br />Radical Sunni Islamists have pledged to attack Hezbollah on Lebanese soil for its intervention in Syria to help Syrian President