Israel-Gaza violence escalates

A clock lies broken in a home damaged by an Israeli airstrike that targeted the office of Prime Minister Ismail Haniyeh of Hamas in Gaza City.   (Bernat Armangue / Associated Press)

Palestinian demonstrators protesting against Israel’s operations in the Gaza Strip protect their eyes from tear gas outside Ofer, an Israeli military prison near the West Bank city of Ramallah.   (Nasser Shiyoukhi / Associated Press)

Palestinian paramedics carry an injured woman after an Israeli air raid in Beit Lahiya, northern Gaza Strip.   (Mohammed Abed / AFP/Getty Images)

Palestinians inspect the rubble of a destroyed house after an Israeli airstrike in the Jabaliya refugee camp north of Gaza City.   (Hatem Moussa / Associated Press)

Palestinian medics wheel the body of Mohammad Lolahi, 26, a Hamas militant, at Al Najar hospital after an Israeli airstrike in Rafah, southern Gaza Strip.   (Hatem Omar / Associated Press)

Palestinians search through the rubble of the demolished home of a commander of the armed wing of the Hamas movement, the Izzidin al-Qassam Brigade. The home in Gaza City was hit by an Israeli airstrike.   (Marco Longari / AFP/Getty Images)

Relatives grieve at the funeral for Itzik Amsalem, 49, one of three people who died in a rocket attack this week on an apartment building in Kiryat Malachi, Israel.   (Uriel Sinai / Getty Images)

Israeli reservists ride a bus heading to the south of the country after being called up for duty in Tel Aviv. Israeli troops are massing at the border with the Gaza Strip in preparation for a possible ground invasion of the Palestinian territory.  (Uriel Sinai / Getty Images)

Israeli troops fire tear gas at Palestinian protesters at Qalandya checkpoint near the West Bank city of Ramallah.   (ALAA BADARNEH / EPA)

Palestinian firefighters try to extinguish a fire after an Israeli airstrike on a wood factory in east Jabaliya, north of Gaza Strip.   (Ali Ali / EPA)

Palestinian medical workers wheel a wounded boy into Al Shifa hospital in Gaza City.   (MAHMUD HAMS / AFP / Getty Images)

A Palestinian boy cries as he sits outside his home in Beit Lahia, which was damaged during an Israeli airstrike.  (MOHAMMED ABED / AFP / Getty Images)

Israelis take cover in a bomb shelter in central Tel Aviv as sirens wail.   (Daniel Bar-On / AFP / Getty Images)

A Palestinian woman cries during a funeral for a 10-year-old boy who was killed in an Israeli airstrike.  (Ali Ali / EPA)

A Palestinian protester hurls stones at Israeli troops during clashes at a protest against Israel’s operations at Qalandya checkpoint near the West Bank city of Ramallah.  (ALAA BADARNEH / EPA)

An Israeli soldier throws a stun grenade at Palestinian protesters in Bet Omar in the West Bank.  (Abed Hashlamoun / EPA)

Palestinian people walk past a fire after an Israeli airstrike on a wood factory in the Gaza Strip.   (Ali Ali / EPA)

Israelis take cover in a large concrete pipe used as a bomb shelter after a rocket was launched from the Gaza Strip on Kiryat Malachi, Israel. The rocket attack happened some 24 hours after Israel targeted nearly 200 sites in the Gaza Strip, killing Ahmed Jabari, a top military commander of Hamas, in the process.  (Uriel Sinai / Getty Images)

An Israeli Iron Dome interceptor anti-missile system blasts apart a missile fired from the Gaza Strip by Palestinian militants as it approaches Sderot, southern Israel. World leaders expressed concern over the escalation, according to reports, with United Nations Secretary-General Ban Ki-moon in a telephone conversation with Israeli Prime Minister Benjamin Netanyahu urging a “measured” response to the recurring Palestinian rocket and mortar attacks from Gaza, “so as not to provoke a new cycle of bloodshed that could have dangerous spillover effects in the region.”  (Jim Hollander / EPA)

A huge explosion from an Israeli airstrike rocks a complex of buildings in the Gaza Strip as seen from the Israeli town of Sderot.  (Jack Guez / AFP/Getty Images)

Israeli missiles are launched to intercept incoming missiles from Gaza in the port town of Ashdod.  (Tsafrir Abayov / Associated Press)

An Israeli soldier throws a blood-stained table from a heavily damaged apartment building in Kiryat Malachi, where three people were killed by a rocket fired from the Gaza Strip.  (Tsafrir Abayov / Associated Press)

A women takes cover in response to warning sirens in the southern Israeli town of Kiryat Malachi, which has been targeted by rockets fired from the Gaza Strip.  (Oliver Weiken / EPA)

The body of senior Hamas military commander Ahmed Jabari is carried through the streets of Gaza City during his funeral Thursday. Thousands gathered in the Gaza Strip to mourn Jabari, but high-ranking Hamas members were not expected to attend the funeral for safety reasons.  (Ali Ali / EPA)

Columns of smoke rise following an Israeli air strike in Gaza City on Wednesday. Palestinian witnesses say Israeli airstrikes have hit a series of targets across Gaza City, shortly after the assassination of the top Hamas commander. Hamas security officials say two Hamas training facilities were among the targets in the bombings.  (Adel Hana / Associated Press)

People gather around a wreckage of the car in which was killed Ahmed Jabari, head of the Hamas military wing in Gaza City on Wednesday. The Israeli military said its assassination of the Hamas military commander marks the beginning of an operation against Gaza militants.  (Adel Hana / Associated Press)

Palestinian men react at the hospital after the body of Ahmed Jabari, head of the Hamas military wing, was brought in.   (Hatem Moussa / Associated Press)

People stand outside and on the roof of the morgue at Al-Shifa hospital with the body of Qassam top leader Ahmed Jabari inside after an Israeli airstrike in Gaza City.   (Mohammed Saber / EPA)

A police bomb squad officer retrieves the remains of a rocket that was fired from the Gaza Strip and landed outside a ceramics factory in Netivot, southern Israel. Gaza militants fired several rocket towards Israel, despite a cease-fire brokered by Egypt overnight.  (Oliver Weiken / EPA)

Palestinians youths inspect damage said to be caused by an Israeli airstrike at their house in east of the Jabaliya refugee camp, northern Gaza Strip. The Israeli airstrike hit a house in Jabaliya after Palestinian militants started to fire rockets in the direction of Israel. Israel warned that it would intensify its military strategy of “deterrence” in the latest round of violence with armed Palestinian groups along the border with the Gaza Strip.   (Ali Ali / EPA)