A wounded Palestinian girl receives treatment in al-aqsa hospital after an Israeli air strike in the Central Gaza Strip, on Nov. 18, 2012. Three Palestinian children were killed in Israeli air strikes on Sunday, hospital officials said. Israel bombed militant targets in Gaza for the fifth straight day on Sunday, launching aerial and naval attacks as its military prepared for a possible ground invasion. (Xinhua/Chen Xu)

A wounded Palestinian senior man receives treatment in al-aqsa hospital after an Israeli air strike in the Central Gaza Strip, on Nov. 18, 2012. Three Palestinian children were killed in Israeli air strikes on Sunday, hospital officials said. Israel bombed militant targets in Gaza for the fifth straight day on Sunday, launching aerial and naval attacks as its military prepared for a possible ground invasion. (Xinhua/Chen Xu)

A wounded Palestinian girl receives treatment in al-aqsa hospital after an Israeli air strike in the Central Gaza Strip, on Nov. 18, 2012. Three Palestinian children were killed in Israeli air strikes on Sunday, hospital officials said. Israel bombed militant targets in Gaza for the fifth straight day on Sunday, launching aerial and naval attacks as its military prepared for a possible ground invasion. (Xinhua/Chen Xu)

A wounded Palestinian girl receives treatment in al-aqsa hospital after an Israeli air strike in the Central Gaza Strip, on Nov. 18, 2012. Three Palestinian children were killed in Israeli air strikes on Sunday, hospital officials said. Israel bombed militant targets in Gaza for the fifth straight day on Sunday, launching aerial and naval attacks as its military prepared for a possible ground invasion. (Xinhua/Chen Xu)

Palestinian civil defense staff members carry a survivor on a stretcher after she was pulled out from the rubble of a destroyed house after an Israeli airstrike on Gaza City, on Nov. 18, 2012. (Xinhua/Wissam Nassar)

A Palestinian civil defense staff member pulls out a survivor from the rubble of a destroyed house after an Israeli airstrike on Gaza City, on Nov. 18, 2012. (Xinhua/Wissam Nassar)

Palestinian civil defense staff members carry a survivor on a stretcher after she was pulled out from the rubble of a destroyed house after an Israeli airstrike on Gaza City, on Nov. 18, 2012. (Xinhua/Wissam Nassar)

Palestinian civil defense staff members carry a survivor on a stretcher after he was pulled out from the rubble of a destroyed house after an Israeli airstrike on Gaza City, on Nov. 18, 2012. (Xinhua/Wissam Nassar)