Palestinians protesting near the border strip between Egypt and the Gaza Strip April 22, 2008. Invitation to the Egyptian government break the siege on the Gaza Strip now before the explosion, while Hamas leader Mahmoud Zahhar meet with the Egyptian leadership to resolve the crisis of the Rafah crossing and pressure on the government of Israel to open the crossings lifting of the siege .Photo by Abed Rahim Khatib /Flash90

Palestinians protesting near the border strip between Egypt and the Gaza Strip April 22, 2008. Invitation to the Egyptian government break the siege on the Gaza Strip now before the explosion, while Hamas leader Mahmoud Zahhar meet with the Egyptian leadership to resolve the crisis of the Rafah crossing and pressure on the government of Israel to open the crossings lifting of the siege .Photo by Abed Rahim Khatib /Flash90

Palestinians stand near mock graves during a protest against the siege on the Gaza Strip on April 23, 2008 in Rafah, near the border crossing between Egypt and the Hamas-run territory. Israel resumed fuel shipments to the sole power plant in the Gaza Strip today, a day after the utility warned that supplies were so low it would have to shut down.Photo by Abed Rahim Khatib /Flash90

A Palestinian boys fills bottles with water at the United Nations Relief and Works Agency (UNRWA) in the town of Khan Yunis in the southern Gaza Strip on April 23, 2008.Israel began pumping fuel for the Gaza Strip's only power plant through a cross-border pipeline on Wednesday, averting a threatened shutdown, officials said. Israel had closed its Nahal Oz depot on Thursday after Palestinian militants fired at fuel tankers there, an Israeli official said.Photo by Abed Rahim Khatib /Flash90