AP Photo/Dan Balilty
A Palestinian protester throws stones at Israeli troops, not seen, during clashes at a demonstration against Israel's military operation in Gaza, in the Shuafat refugee camp, on the outskirts of Jerusalem, Sunday, Dec. 28, 2008.
AP Photo/Sebastian Scheiner
An Israeli soldier holds his gun out of a tank, near Israel's border with the Gaza Strip, in southern Israel, Sunday, Dec. 28, 2008.
AP Photo/Muhammed Muheisen
An Israeli border police officer fires a tear gas canister at Palestinian stone throwers during clashes that erupted following a demonstration against the Israeli missiles strike on Gaza, at the Kalandia checkpoint between the West Bank city of Ramallah and Jerusalem Sunday, Dec. 28, 2008.
AP Photo/Nasser Ishtayeh
A Palestinian demonstrator uses a sling-shot to hurl a stone at Israeli soldiers during clashes at a demonstration against Israel's military operation in Gaza, in the West Bank village of Azzun, near Qalqilya, Sunday, Dec. 28, 2008.
AP Photo/Majed Hamdan
An injured Palestinian prisoner shouts for help as he is trapped in the rubble of the central security headquarters and prison, known as the Saraya, after it was hit in an Israeli missile strike in in Gaza City, Sunday, Dec. 28, 2008.
AP Photo/Hatem Omar
A Palestinian man gestures, as smoke is seen from a burning building after an Israeli missile strike in the Rafah refugee camp, southern Gaza Strip, Sunday, Dec. 28, 2008.
CBS
An injured Palestinian prisoner is helped as he and others flee through the rubble of the central security headquarters and prison, known as the Saraya, after it was hit in an Israeli missile strike in in Gaza City, Sunday, Dec. 28, 2008.
AP Photo/Adel Hana
Palestinians stand on the rubble of the central security headquarters and prison, known as the Saraya, after it was hit in an Israeli missile strike in Gaza City, Sunday, Dec. 28, 2008.
AP Photo/Eyad Baba
Palestinian firefighters try to extinguish a burning building after an Israeli missile strike in the Rafah refugee camp, southern Gaza Strip, Sunday, Dec. 28, 2008.
AP Photo/Eyad Baba
A Palestinian family reacts as they rush past a burning building after an Israeli missile strike in the Rafah refugee camp, southern Gaza Strip, Sunday, Dec. 28, 2008.
AP Photo/Khalil Hamra
Palestinians gather in the crater of an Israeli missile strike on a building used by the Islamic group Hamas in Gaza City, Sunday, Dec. 28, 2008.
AP Photo/Sebastian Scheiner
An Israeli soldier prays on top of a tank at a staging area near the Sufa Crossing just outside the southern Gaza Strip, Sunday, Dec. 28, 2008.
AP Photo/Adel Hana
Smoke rises from an explosion at the Hamas central security headquarters and prison, known as the Saraya, after it was hit in an Israeli missile strike in Gaza City, Sunday, Dec. 28, 2008.
AP Photo/Khalil Hamra
Palestinian rescue workers stand in the rubble of the central Gaza security headquarters after it was hit in an Israeli missile strike, in Gaza City, Sunday, Dec. 28, 2008.
AP Photo/Bernat Armangue
An explosion from an Israeli missile strike in the northern Gaza Strip is seen from the Israeli side in Kibbutz Niram, southern Israel, Sunday, Dec. 28, 2008.
AP Photo/Hatem Moussa
A Palestinian girl wounded in an Israeli missile strike is carried into the emergency area at Shifa hospital in Gaza City, Saturday, Dec. 27, 2008.
AP Photo/Muhammed Muheisen
Israeli soldiers run away to avoid a stun grenade thrown by another soldier by mistake during clashes with Palestinians, following a demonstration against the Israeli missiles strike on Gaza, at the Kalandia checkpoint between the West Bank city of Ramallah and Jerusalem Saturday, Dec. 27, 2008.
AP Photo/Sebastian Scheiner
A rocket fired by Palestinian militants in Gaza is seen as it is fired towards an Israeli target, in the northern Gaza Strip, Saturday, Dec. 27, 2008.
AP Photo/Hatem Omar
An injured Palestinian is helped from the rubble following an Israeli missile strike in Rafah, southern Gaza Strip, Saturday, Dec. 27, 2008.
AP Photo/Fadi Adwan
A Palestinian man reacts over the bodies of members of the security forces of Hamas at the site of an Israeli missile strike at the security headquarters in Gaza City, Saturday, Dec. 27, 2008.