BEIRUT, Aug 9 (Reuters) - An Israeli airstrike on a car deep inside Lebanon killed a senior figure from Palestinian armed group Hamas on Friday evening, a Hamas source and two other security sources told Reuters. The strike, on the southern edges of the Lebanese port city of Sidon some 60 kilometres (nearly 40 miles) from the frontier, killed Samer al-Hajj, a Hamas security official who works in the nearby refugee camp for Palestinians, Ain al-Hilweh. His bodyguard was critically wounded, the three sources said. The Israeli military has been carrying out strikes against members of Hamas, allied Lebanese armed...