A plume of smoke rises above Gaza City as Israeli air strikes hit on August 18, 2011 in Gaza City, Gaza. The airstrikes came hours after attacks by militants killing Israelis in a cross border operation near Eilat, Southern Israel. (Photo by Christopher Furlong/Getty Images)

Palestinians stand in the morgue next to the bodies of six militants killed in an Israeli airstrike, at Al Najar hospital on August 18, 2011 in Rafah, Gaza. The airstrike came hours after attacks by militants killing seven Israelis near Eilat, Southern Israel. The targetted airstrike killed six people, including PRC secretary-general Kamal al-Neyrab. (Photo by Christopher Furlong/Getty Images)

Palestinian youths clamour to see the bodies of six militants at Al Najar hospital who were killed in an Israeli airstrike on August 18, 2011 in Rafah, Gaza. (Photo by Christopher Furlong/Getty Images)