Palestinians inspect border tunnels between Egypt and Rafah after Israeli air strikes a during an eight-day conflict around the Gaza Strip on November 21, 2012. Israel and the Islamist Hamas movement agreed on Wednesday to an Egyptian-sponsored ceasefire to halt an eight-day conflict around the Gaza Strip that has killed more than 140 Palestinians and five Israelis.Photo by Abed Rahim Khatib / Flash 90

Palestinians inspect border tunnels between Egypt and Rafah after Israeli air strikes a during an eight-day conflict around the Gaza Strip on November 21, 2012. Israel and the Islamist Hamas movement agreed on Wednesday to an Egyptian-sponsored ceasefire to halt an eight-day conflict around the Gaza Strip that has killed more than 140 Palestinians and five Israelis.Photo by Abed Rahim Khatib / Flash 90

Palestinians inspect border tunnels between Egypt and Rafah after Israeli air strikes a during an eight-day conflict around the Gaza Strip on November 21, 2012. Israel and the Islamist Hamas movement agreed on Wednesday to an Egyptian-sponsored ceasefire to halt an eight-day conflict around the Gaza Strip that has killed more than 140 Palestinians and five Israelis.Photo by Abed Rahim Khatib / Flash 90

Palestinians mourn during the funeral of Amera Abu Taer, whom medics said was killed in an Israeli air strike on Wednesday, in Khan Younis in the southern Gaza Strip on November 22, 2012. A ceasefire between Israel and Gaza's Hamas rulers took hold on Thursday after eight days of conflict, although deep mistrust on both sides cast doubt on how long the Egyptian-sponsored deal can last. Photo by Abed Rahim Khatib / Flash 90

Palestinians carry the body of Amera Abu Taer, during the funeral, whom medics said was killed in an Israeli air strike on Wednesday, in Khan Younis in the southern Gaza Strip on November 22, 2012. A ceasefire between Israel and Gaza's Hamas rulers took hold on Thursday after eight days of conflict, although deep mistrust on both sides cast doubt on how long the Egyptian-sponsored deal can last. Photo by Abed Rahim Khatib / Flash 90

Palestinians carry the body of Amera Abu Taer, during the funeral, whom medics said was killed in an Israeli air strike on Wednesday, in Khan Younis in the southern Gaza Strip on November 22, 2012. A ceasefire between Israel and Gaza's Hamas rulers took hold on Thursday after eight days of conflict, although deep mistrust on both sides cast doubt on how long the Egyptian-sponsored deal can last. Photo by Abed Rahim Khatib / Flash 90

A Palestinian man sitting in a wheel chair shoots in the air during the funeral of Amera Abu Taer, whom medics said was killed in an Israeli air strike on Wednesday, in Khan Younis in the southern Gaza Strip on November 22, 2012. A ceasefire between Israel and Gaza's Hamas rulers took hold on Thursday after eight days of conflict, although deep mistrust on both sides cast doubt on how long the Egyptian-sponsored deal can last. Photo by Abed Rahim Khatib / Flash 90

Palestinians mourn during the funeral of Amera Abu Taer, whom medics said was killed in an Israeli air strike on Wednesday, in Khan Younis in the southern Gaza Strip on November 22, 2012. A ceasefire between Israel and Gaza's Hamas rulers took hold on Thursday after eight days of conflict, although deep mistrust on both sides cast doubt on how long the Egyptian-sponsored deal can last. Photo by Abed Rahim Khatib / Flash 90

Palestinians walk among the rubbles after Israeli air strikes on Gaza during the past week on November 22, 2012. An Egypt-brokered truce took hold in the Gaza Strip after a week of bitter fighting between militant groups and Israel, with both sides claiming victory but remaining wary. Photo by Abed Rahim Khatib / Flash 90

Palestinians walk among the rubbles after Israeli air strikes on Gaza during the past week on November 22, 2012. An Egypt-brokered truce took hold in the Gaza Strip after a week of bitter fighting between militant groups and Israel, with both sides claiming victory but remaining wary. Photo by Abed Rahim Khatib / Flash 90

Palestinians walk among the rubbles after Israeli air strikes on Gaza during the past week on November 22, 2012. An Egypt-brokered truce took hold in the Gaza Strip after a week of bitter fighting between militant groups and Israel, with both sides claiming victory but remaining wary. Photo by Abed Rahim Khatib / Flash 90

Members of the Ezzedine al-Qassam brigades, the armed wing of Hamas, carry their weapons as they celebrate after the truce between Gaza and Israel came into effect, in the Nusseirat refugee camp in the central Gaza Strip, on November 22, 2012. An Egypt-brokered truce took hold in the Gaza Strip after a week of bitter fighting between militant groups and Israel, with both sides claiming victory but remaining wary. Photo by Abed Rahim Khatib / Flash 90

Members of the Ezzedine al-Qassam brigades, the armed wing of Hamas, carry their weapons as they celebrate after the truce between Gaza and Israel came into effect, in the Nusseirat refugee camp in the central Gaza Strip, on November 22, 2012. An Egypt-brokered truce took hold in the Gaza Strip after a week of bitter fighting between militant groups and Israel, with both sides claiming victory but remaining wary. Photo by Abed Rahim Khatib / Flash 90

Gunmen from the Ezzedine al-Qassam Brigades, the armed wing of Hamas, in Gaza City on November 22, 2012. Israeli politicians returned to the campaign trail as the streets of Gaza came back to life after a truce ended eight days of bloodshed, with both sides claiming victory while remaining wary. Photo by Abed Rahim Khatib / Flash 90

Gunmen from the Ezzedine al-Qassam Brigades, the armed wing of Hamas, in Gaza City on November 22, 2012. Israeli politicians returned to the campaign trail as the streets of Gaza came back to life after a truce ended eight days of bloodshed, with both sides claiming victory while remaining wary. Photo by Abed Rahim Khatib / Flash 90