Palestinians sit on the rubble of their house after it was destroyed in an Israeli airstrike, in the Jabaliya refugee camp, northern Gaza City on Nov. 17, 2012. Israel responded to rockets attacking on Tel Aviv and Jerusalem by striking 200 targets overnight in Gaza. Health ministry of the Hamas authority in the Gaza Strip said on Saturday night that Israel has killed 45 Palestinians and wounded some 500 others since Wednesday afternoon. (Xinhua/Wissam Nassar)

Palestinians children remove the rubble from their house after it was destroyed in an Israeli airstrike, in the Jabaliya refugee camp, northern Gaza City on Nov. 17, 2012. Israel responded to rockets attacking on Tel Aviv and Jerusalem by striking 200 targets overnight in Gaza. Health ministry of the Hamas authority in the Gaza Strip said on Saturday night that Israel has killed 45 Palestinians and wounded some 500 others since Wednesday afternoon. (Xinhua/Wissam Nassar)

Palestinians stand over the rubble of their house after it was destroyed in an Israeli airstrike, in the Jabaliya refugee camp, northern Gaza City on Nov. 17, 2012. Israel responded to rockets attacking on Tel Aviv and Jerusalem by striking 200 targets overnight in Gaza. Health ministry of the Hamas authority in the Gaza Strip said on Saturday night that Israel has killed 45 Palestinians and wounded some 500 others since Wednesday afternoon. (Xinhua/Wissam Nassar)

Palestinians stand over the rubble of their house after it was destroyed in an Israeli airstrike, in the Jabaliya refugee camp, northern Gaza City on Nov. 17, 2012. Israel responded to rockets attacking on Tel Aviv and Jerusalem by striking 200 targets overnight in Gaza. Health ministry of the Hamas authority in the Gaza Strip said on Saturday night that Israel has killed 45 Palestinians and wounded some 500 others since Wednesday afternoon. (Xinhua/Wissam Nassar)

Palestinians stand over the rubble at their house after it was destroyed in an Israeli airstrike, in the Jabaliya refugee camp, northern Gaza City on Nov. 17, 2012. Israel responded to rockets attacking on Tel Aviv and Jerusalem by striking 200 targets overnight in Gaza. Health ministry of the Hamas authority in the Gaza Strip said on Saturday night that Israel has killed 45 Palestinians and wounded some 500 others since Wednesday afternoon. (Xinhua/Wissam Nassar)

A Palestinian sits on the rubble of his house after it was destroyed in an Israeli airstrike, in the Jabaliya refugee camp, northern Gaza City on Nov. 17, 2012. Israel responded to rockets attacking on Tel Aviv and Jerusalem by striking 200 targets overnight in Gaza. Health ministry of the Hamas authority in the Gaza Strip said on Saturday night that Israel has killed 45 Palestinians and wounded some 500 others since Wednesday afternoon. (Xinhua/Wissam Nassar)

Palestinians survey their home after it was destroyed in an Israeli airstrike, in the Jabaliya refugee camp, northern Gaza City on Nov. 17, 2012. Israel responded to rockets attacking on Tel Aviv and Jerusalem by striking 200 targets overnight in Gaza. Health ministry of the Hamas authority in the Gaza Strip said on Saturday night that Israel has killed 45 Palestinians and wounded some 500 others since Wednesday afternoon. (Xinhua/Wissam Nassar)

Palestinian children stand over the rubble at their house after it was destroyed in an Israeli airstrike, in the Jabaliya refugee camp, northern Gaza City on Nov. 17, 2012. Israel responded to rockets attacking on Tel Aviv and Jerusalem by striking 200 targets overnight in Gaza. Health ministry of the Hamas authority in the Gaza Strip said on Saturday night that Israel has killed 45 Palestinians and wounded some 500 others since Wednesday afternoon. (Xinhua/Wissam Nassar)

Palestinians children remove the rubble from their house after it was destroyed in an Israeli airstrike, in the Jabaliya refugee camp, northern Gaza City on Nov. 17, 2012. Israel responded to rockets attacking on Tel Aviv and Jerusalem by striking 200 targets overnight in Gaza. Health ministry of the Hamas authority in the Gaza Strip said on Saturday night that Israel has killed 45 Palestinians and wounded some 500 others since Wednesday afternoon. (Xinhua/Wissam Nassar)