A rocket is launched towards Israel by Palestinian militants from the northern Gaza Stripl,Thursday, November 15, 2012. (Photo by Ariel Schalit/Associated Press)

Zaka volunteers clean blood stains from a pillow and a baby toy in a children's room in an apartment building in Kiryat Malachi. (Photo by Ariel Schalit/Associated Press)

The body of 10-month-old Haneen Tafesh lies in the morgue of Shifa hospital in Gaza City. According to hospital reports, Tafesh died from wounds caused by an Israeli strike. Israel and Hamas have largely observed an informal truce for the past four years. But in recent weeks, the calm unraveled in a bout of rocket attacks on Israel from Gaza and retaliatory Israeli airstrikes. (Photo by Hatem Moussa/Associated Press)

Israeli prime minister Benjamin Netanyahu leaves the room after delivering a statement to the media in Tel Aviv. Israel's prime minister says the army is prepared for a “significant widening” of its operation in the Gaza Strip, and that Israel has “made it clear” it won't tolerate continued rocket fire on its civilians. (Photo by Dan Balilty/Associated Press)

Women mourn during the funeral of Hisham Al Galban, a Hamas militant killed in an Israeli attack in the southern Gaza Strip. (Photo by Eyad Baba/Associated Press)

Ultra Orthodox Jewish men gather around the body of Mirah Sharf, who was killed in the southern town of Kiryat Malachi by a rocket fired by Palestinian militants from the Gaza Strip, during her funeral in Jerusalem. Gaza militants led by the ruling Hamas Islamic group showered Israel with more than 150 rockets in an unprecedented assault Thursday, killing three Israelis and trying for the first time to strike Tel Aviv, the densely populated heart of the Jewish state. (Photo by Sebastian Scheiner/Associated Press)

Palestinian mourners carry the body of Hamas' top military commander, Ahmed Jabari, killed in an Israeli strike on Wednesday, during his funeral in Gaza City on Thursday. (Photo by Adel Hana/Associated Press)

A woman sits outside a shelter near an apartment building that was struck by a rocket fired from Gaza, in Kiryat Malachi. (Photo by Rina Castelnuovo/The New York Times)

The Iron Dome defense system fires to interecept incoming missiles from Gaza in the port town of Ashdod, Israel on Thursday. (Photo by Tsafrir Abayov/Associated Press)

An Israeli soldier throws a blood-stained table from an apartment building hit by a rocket fired from the Gaza Strip, killing three people in Kiryat Malachi, southern Israel. (Photo by Tsafrir Abayov/Associated Press)

Firefighters work to put out a fire at a checkpoint near the home of Hamas's prime minister in Gaza, Ismail Haniya, following an Israeli airstrike on Thursday. (Photo by Wissam Nassar/The New York Times)

People gather around the wreckage of the car in which Ahmed Jabari, head of the Hamas military wing, was killed in Gaza City on Wednesday. (Photo by Adel Hana/Associated Press)

Jihad Masharawi weeps while he holds the body of his 11-month old son Ahmad following an Israeli air strike in Gaza City on Wednesday. (Photo by Majed Hamdan/Associated Press)

Smoke rises following an Israeli attack on Gaza City on Thursday. Israel barraged the Gaza Strip with airstrikes and shelling Wednesday and killed the Hamas military chief in a targeted strike, launching a campaign aimed at stopping rocket attacks from Islamic militants. The assault killed 10 other Palestinians, including two children and seven militants. On Thursday, militant rockets fired into Israel killed three Israelis, raising the likelihood of a further escalation. (Photo by Hatem Moussa/Associated Press)

Israeli soldiers watch as an Iron Dome launcher fires an interceptor rocket near the southern city of Beersheba. Hamas fired dozens of rockets into southern Israel on Thursday, killing three people, and Israel launched numerous air strikes across the Gaza Strip, threatening a wider offensive to halt repeated Palestinian salvoes. (Photo by Baz Ratner/Reuters photo)

A Palestinian stone-thrower runs after Israeli security forces fired tear gas during clashes against Israel's military operation in Gaza, outside Ofer prison near the West Bank city of Ramallah November 15, 2012. A rocket fired from the Gaza Strip landed close to Tel Aviv on Thursday, in the first attack on Israel's biggest city in 20 years, raising the stakes in a military showdown between Israel and the Palestinians that is moving towards all-out war. (Photo by Mohamad Torokman/Reuters)

Alarms in Ashdod November 17, 2012. (Photo by David Baker)

Waiting for a fall day in Ashdod. (Photoby Ilan Assayag)

Palestinians inspect a destroyed house after an Israeli air strike in Gaza City November 18, 2012. Israel bombed militant targets in Gaza for a fifth straight day on Sunday, launching aerial and naval attacks as its military prepared for a possible ground invasion, though Egypt saw “some indications” of a truce ahead. (Photo by Ahmed Zakot/Reuters)

An explosion and smoke are seen after Israeli strikes in Gaza City November 18, 2012. Israel bombed militant targets in Gaza for a fifth straight day on Sunday, launching aerial and naval attacks as its military prepared for a possible ground invasion, though Egypt saw “some indications” of a truce ahead. (Photo by Ahmed Zakot/Reuters)

Combat aircraft in the sky over Gaza. (Photo by Eliyahu Hershkovitz)

Israeli soldiers prepare tanks near the border of the central Gaza Strip November 18, 2012. Israel bombed Palestinian militant targets in the Gaza Strip from air and sea for a fifth straight day on Sunday, preparing for a possible ground invasion while also spelling out its conditions for a truce. (Photo by Nir Elias/Reuters)

Smoke rises after an Israeli forces strike in Gaza City, Sunday, Nov. 18, 2012. The Israeli military widened its range of targets in the Gaza Strip on Sunday to include the media operations of the Palestinian territory's Hamas rulers, sending its aircraft to attack two buildings used by both Hamas and foreign media outlets. (Photo by Bernat Armangue/AP Photo)

Gathering of soldiers, November 16, 2012. (Photo by Ilan Assayag)

Palestinian youth take cover behind a makeshift barrier during clashes with Israeli soldiers at the Qalandia checkpoint, in the occupied West Bank, on November 16, 2012 during a protest against the war on Gaza. Thousands of angry Palestinians rallied across the West Bank, urging Hamas militants to “bomb Tel Aviv” as Israel pursued a relentless air campaign on the Gaza Strip. (Photo by Abbas Momani/AFP Photo)

GOC Southern Command Tal Russo WC (אלוף פיקוד דרום טל רוסו בב"ש). (Photo by Ilan Assayag)

An Iron Dome missile is launched in Tel Aviv, to intercept a rocket fired from Gaza, Saturday, Nov. 17, 2012. Israel bombarded the Hamas-ruled Gaza Strip with nearly 200 airstrikes early Saturday, the military said, widening a blistering assault on Gaza rocket operations to include the prime minister's headquarters, a police compound and a vast network of smuggling tunnels. (Photo by Oded Balilty/AP Photo)

Palestinians gather at the site of an Israeli air raid in Gaza City on November 17, 2012. Israeli air strikes hit the cabinet headquarters of Gaza's Hamas government after militants fired rockets at Jerusalem and Tel Aviv as Israel called up thousands more reservists in readiness for a potential ground war.(Photo by Mohammed Abed/AFP Photo)

Smoke rises during an explosion from an Israeli forces strike in Gaza City, Saturday, November 17, 2012. Israel bombarded the Hamas-ruled Gaza Strip with nearly 200 airstrikes early Saturday, the military said, widening a blistering assault on Gaza rocket operations by militants to include the prime minister's headquarters, a police compound and a vast network of smuggling tunnels. (Photo Hatem Moussa/AP Photo)

Palestinians inspect the damage at Hamas Prime Minister Ismail Haniyeh's office after it was destroyed during an overnight Israeli airstrike in Gaza City. Israel bombarded the Hamas-ruled Gaza Strip with more than 180 airstrikes early Saturday, widening a blistering assault on militant operations to target government and police compounds and a vast network of smuggling tunnels. (Photo by Bernat Armangue/Associated Press)

Israeli soldiers watch as an Iron Dome launcher fires an interceptor rocket near the southern city of Ashdod November 18, 2012. Israel bombed Palestinian militant targets in the Gaza Strip from air and sea for a fifth straight day on Sunday, preparing for a possible ground invasion though Egypt saw “some indications” of a truce ahead. (Photo by Darren Whiteside/Reuters)

Smoke rises after an Israeli strike in Gaza City on Saturday. (Photo by Hatem Moussa/Associated Press)

A man is helped after he was injured by a bomb that exploded in Gaza City on Saturday. (Photo by Tyler Hicks/The New York Times)

Israeli soldiers with armored vehicles gather in a staging ground near the border with the Gaza Strip on Friday. (Photo by Tsafrir Abayov/Associated Press)

Israeli soldiers examine a damaged wall of a house hit by a rocked fired from the Gaza Strip, at Be'er Tuvia Regional Council on Friday. (Photo by Tsafrir Abayov/Associated Press)

Smoke billows as debris flies from the explosion at the local Al-Aqsa TV station in Gaza City on Sunday. (Photo by Yaseer Qudih/Associated Press)

An Israeli soldiers throws tear gas at Palestinian demonstrators during a protest against Israel's military operations, in the West Bank village of Beit Omar near Hebron on Friday. On the third day of an Israeli military operation against the Gaza strip, Israel overnight targeted dozens of sites it said Gaza gunmen were using to fire rockets. The Israeli offensive has not deterred the militants from firing more than 400 rockets aimed at southern Israel since Wednesday, the military said. (Photo by Nasser Shiyoukhi/Associated Press)

An Israeli woman walks through a damaged house near the Israel-Gaza border. The house was hit Friday by a rocket fired from the Gaza Strip as fierce clashes between Israeli forces and Gaza militants are continue for a third day. (Photo by Tsafrir Abayov/Associated Press)

Israeli tanks stand in position overlooking a Syrian village from the Israeli-occupied Golan Heights, November 12, 2012. (Photo by IDF)

Palestinian Hamas supporters carry obituary posters of Hamas mastermind Ahmed Jabari and Hamas flags as they march in support of the people of the Gaza Strip and against Israel's military operations, in the West Bank city of Ramallah. Posters in Arabic read “Qasam brigades have made their threats and Tel Aviv gets the answer to the threat. We sacrifice with our leaders before our soldiers. We race for heaven towards God”. (Photo by Majdi Mohammed/Associated Press)

Israeli border police officers detain a Palestinian demonstrator during clashes after a protest against Israel's military operation in Gaza, outside Damascus Gate in Jerusalem's Old City. The latest upsurge in a long-running conflict was triggered on November 14 when Israel killed Hamas's military mastermind, Ahmed Al-Jaabari, in a precision air strike on his car. Israel then began shelling the enclave from land, air and sea. (Photo by Ammar Awad/Reuters)

Police and civilians inspect the damage at an apartment building in the Israeli port city of Ashdod on Saturday, after it was hit by a missile fired by Palestinian militants from inside the Gaza Strip. (Photo by Tsafrir Abayov/Associated Press)

Israelis seek cover as a siren warns of incoming rockets in the southern town of Kiryat Malachi November 15, 2012. (Photo by Nir Elias/Reuters)

Israelis react and run for cover as a siren sounds a warning of incoming rockets in the southern town of Kiryat Malachi, November 15, 2012. (Photo by Nir Elias/Reuters)

The brother of Palestinian boy Faris Basyoni, who was killed in an Israeli air strike, looks at his blood on a wall at his family's damaged house in Beit Hanoun in the northern Gaza Strip November 16, 2012. Basyoni was killed on Thursday night when an Israeli air strike hit his family house. Egypt opened a tiny window to emergency peace diplomacy in Gaza on Friday, but hopes for even a brief ceasefire while its prime minister was inside the bombarded enclave to talk to leaders of the Islamist Hamas movement were immediately dashed. (Photo by Suhaib Salem/Reuters)

A man was injured during an Israeli airstrike in Gaza City. Israel responded to rocket attacks on Tel Aviv and Jerusalem by striking 200 targets overnight in Gaza, including the prime minister's office. (Photo by Tyler Hicks/The New York Times)

An Israeli soldier aims at Palestinian youth during a protest against the war on Gaza, at the Qalandia checkpoint, in the occupied West Bank. (Photo by Abbas Momani/AFP Photo)

Samiha Abu Wardah comforts her daughter, Nancy, 9, after Wardah's son was reportedly killed in a rocket attack in Gaza City. (Photo by Tyler Hicks/The New York Times)

An injured Israeli baby is held by a security officer inside an ambulance at the scene where a rocket, fired from Gaza, landed in the southern city of Kiryat Malachi November 15, 2012. A Hamas rocket killed three Israelis north of the Gaza Strip on Thursday, drawing first blood from Israel as the Palestinian death toll rose to 13 and the military showdown lurched closer to all-out war. (Photo by Gideon Rahamim/Reuters)