Israel has pledged to fight Hamas to the death. Defence Minister Ehud Barack has said that the ongoing air strikes on Gaza are a war to the bitter end against Hamas militants. Four Israelis and 360 Palestinians have been killed since the attacks began on Saturday. Many in Israel are asking why now. Hamas, they say, has been firing Qassam rockets at them for eight years. Questions are now being asked about whether the war is linked to Israeli elections, due to be held in six weeks. The early poll was called after Prime Minister Ehud Olmert was charged with corruption