MIDEAST ISRAEL PALESTINIANS
Palestinians inspect damage at the Sheik Radwan cemetery, following Israeli military operations in Gaza City, Wednesday, Jan.14, 2009. An Israeli war...
Palestinians inspect damage at the Sheik Radwan cemetery, following Israeli military operations in Gaza City, Wednesday, Jan.14, 2009. An Israeli warplane bombed a crammed cemetery in Gaza City on Wednesday, sending body parts flying onto neighboring houses and knocking a large hole into the graveyard. Earlier, Residents had reopened dozens of graves in the bombed Sheik Radwan cemetery to cram in many of those slain in Israel's 19-day operation in Gaza that has killed more than 940 Palestinians. (AP Photo / Hatem Moussa)
MIDEAST ISRAEL PALESTINIANS
Israeli soldiers gather on the Israel-Gaza border during Israel's military offensive, early morning Wednesday, Jan. 14, 2009. Israeli aircraft struc...
Israeli soldiers gather on the Israel-Gaza border during Israel's military offensive, early morning Wednesday, Jan. 14, 2009. Israeli aircraft struck a Gaza City cemetery Wednesday, pulverizing newly buried bodies, and pounded militants' weapons positions and arms smuggling tunnels, witnesses and the military said, as guerrillas in Lebanon raised the specter of a new front by sending rockets crashing into northern Israel. (AP Photo/Anja Niedringhaus)
MIDEAST ISRAEL PALESTINIANS
An Israeli soldier stand on an armored vehicle prepared for combat missions in Gaza while gathered on the Israel-Gaza border during Israel's militar...
An Israeli soldier stand on an armored vehicle prepared for combat missions in Gaza while gathered on the Israel-Gaza border during Israel's military offensive, early morning Wednesday, Jan. 14, 2009. Israeli aircraft struck a Gaza City cemetery Wednesday, pulverizing newly buried bodies, and pounded militants' weapons positions and arms smuggling tunnels, witnesses and the military said, as guerrillas in Lebanon raised the specter of a new front by sending rockets crashing into northern Israel. (AP Photo/Anja Niedringhaus)
APTOPIX MIDEAST ISRAEL PALESTINIANS
An explosion from an Israeli airstrike is seen on the outskirts of Gaza City, Wednesday, Jan. 14, 2009. Israeli aircraft struck a Gaza City cemetery...
An explosion from an Israeli airstrike is seen on the outskirts of Gaza City, Wednesday, Jan. 14, 2009. Israeli aircraft struck a Gaza City cemetery Wednesday, pulverizing newly buried bodies, and pounded militants' weapons positions and arms smuggling tunnels, witnesses and the military said, as guerrillas in Lebanon raised the specter of a new front by sending rockets crashing into northern Israel. (AP Photo / Anja Niedringhaus)
MIDEAST ISRAEL PALESTINIANS
Jakob Kellenberger, President of the International Committee of the Red Cross (ICRC), right, inspects the damage after a rocket fired by Palestinian ...
Jakob Kellenberger, President of the International Committee of the Red Cross (ICRC), right, inspects the damage after a rocket fired by Palestinian militants from Gaza hit a house in Sderot, southern Israel, Wednesday, Jan. 14, 2009. Israel showed no signs of slowing its bruising 19-day offensive against Gaza's Hamas rulers, striking some 60 targets on Wednesday. Israel launched the onslaught on Dec. 27, seeking to punish the Hamas militant group for years of rocket attacks on southern Israel. The offensive has killed more than 940 Palestinians, half of them civilians, according to Palestinian hospital officials. (AP Photo / Bernat Armangue)
APTOPIX MIDEAST EGYPT UN ISRAEL PALESTINIANS
United Nations Secretary-General Ban Ki-moon waves as he leaves the Presidential palace in Cairo, Egypt, Wednesday, Jan. 14, 2009, following his meet...
United Nations Secretary-General Ban Ki-moon waves as he leaves the Presidential palace in Cairo, Egypt, Wednesday, Jan. 14, 2009, following his meeting with Egyptian President Hosni Mubarak. Egypt is the first stop of the Secretary-General Ban Ki-moon in the Mideast to step up diplomatic efforts to get Israel and Hamas to adhere to a U.N. cease-fire resolution in the Gaza Strip and allow humanitarian aid into the devastated Palestinian territory. (AP Photo/Amr Nabil)
MIDEAST ISRAEL PALESTINIANS
Israeli Army tanks head for combat missions in Gaza on the Israel-Gaza border during Israel's military offensive, early morning Wednesday, Jan. 14, 2...
Israeli Army tanks head for combat missions in Gaza on the Israel-Gaza border during Israel's military offensive, early morning Wednesday, Jan. 14, 2009. Israeli aircraft struck a Gaza City cemetery Wednesday, pulverizing newly buried bodies, and pounded militants' weapons positions and arms smuggling tunnels, witnesses and the military said, as guerrillas in Lebanon raised the specter of a new front by sending rockets crashing into northern Israel. (AP Photo/Anja Niedringhaus)
Mideast Lebanon Israel
A Lebanese army officer, right, gestures as he speaks with a French U.N. peacekeeper, centre, as they search the area where a rocket fell short of th...
A Lebanese army officer, right, gestures as he speaks with a French U.N. peacekeeper, centre, as they search the area where a rocket fell short of the Israeli border, near the village of El-Meri, Lebanon, Wednesday, Jan. 14, 2009. Israeli forces fired artillery north into Lebanon in response to a rocket attack, the second such border exchange in days which threatened to ignite a second front as Israel battled Hamas in Gaza. (AP Photo/Hussein Malla)
MIDEAST ISRAEL PALESTINIANS
Palestinians carry the body of Hamas militant of Alaa Abu Reda, as others wave Islamic Jihad flags during his funeral in Khan Younis southern Gaza St...
Palestinians carry the body of Hamas militant of Alaa Abu Reda, as others wave Islamic Jihad flags during his funeral in Khan Younis southern Gaza Strip, Wednesday, Jan. 14, 2009. Israel showed no signs of slowing its bruising 19-day offensive against Gaza's Hamas rulers, striking some 60 targets on Wednesday. Israel launched the onslaught on Dec. 27, seeking to punish the Hamas militant group for years of rocket attacks on southern Israel. The offensive has killed more than 940 Palestinians, half of them civilians, according to Palestinian hospital officials. (AP Photo / Khaled Omar)
MIDEAST ISRAEL PALESTINIANS
A Palestinian boy cries during the funeral of Hamas militant Mohammed Ketnani in Gaza City, Wednesday, Jan. 14, 2009. Israel showed no signs of slowi...
A Palestinian boy cries during the funeral of Hamas militant Mohammed Ketnani in Gaza City, Wednesday, Jan. 14, 2009. Israel showed no signs of slowing its bruising 19-day offensive against Gaza's Hamas rulers, striking some 60 targets on Wednesday. (AP Photo/Ashraf Amra)
Militants in Lebanon rocketed northern Israel on Wednesday for the second time in a week, drawing Israeli artillery fire as diplomatic efforts to broker a truce in Gaza intensified.
In Egypt, U.N. chief Ban Ki-moon appealed for an immediate end to the fighting.
"It is intolerable that civilians bear the brunt of this conflict," said Ban, who was expected in Israel on Thursday.
Israel, which began its offensive on Dec. 27, struck some 85 targets in the strip bordering southern Israel. One airstrike hit an overcrowded cemetery, spreading body parts and rotting flesh over a wide area. The army said the airstrike targeted a nearby weapons cache.
Israel launched the onslaught in Gaza to punish the ruling Hamas militant group for years of rocket attacks on southern Israel.
The offensive has killed more than 1,000 Palestinians, about half of them civilians, including 300 minors, said Dr. Moaiya Hassanain, a Gaza health ministry official. The toll included 11 Palestinians killed Wednesday.
Thirteen Israelis have been killed since the offensive began, four by rocket fire from Gaza.
The rocket fire from Lebanon caused no injuries, and there was no immediate claim of responsibility. Hezbollah, the Iranian-backed group that fought a monthlong war with Israel in 2006, denied involvement in last week's attack, and speculation focused on small Palestinian groups.
Lebanese officials said Israeli artillery fired at least eight shells on south Lebanon in response. There were no reports of injuries.
The Israeli military said the Lebanese government was responsible for preventing attacks on Israel. Lebanon condemned the attack.
Maj. Avital Leibovich, an Israeli military spokeswoman, downplayed the rocket attack from Lebanon.
"This is a minor event and I suggest that we treat it as such," she said.
The Muslim world has expressed outrage over Israel's Gaza offensive, and in a new condemnation Wednesday, al-Qaida leader Osama bin Laden urged Muslims to launch a holy war against Israel.
Israeli military officials have said talks in Cairo will determine whether Israel moves closer to a truce with Hamas or widens its offensive to send thousands of reservists into urban areas where casualties on both sides would likely mount.
Israel wants an end to rocket attacks from Gaza and guarantees of a halt in the smuggling of weapons into Gaza through the porous Egyptian border. Hamas has called for an immediate Israeli withdrawal from Gaza.
Twelve rockets were fired at Israel on Wednesday, down from as many as 80 a day early in the war.
Overnight, Israeli warplanes and helicopter gunships pounded a police court in Gaza City, rocket-launching sites, gunmen, weapons-production and storage facilities and about 35 weapons smuggling tunnels, the military said. Later, witnesses in southern Gaza reported air strikes on the house of a rocket squad leader and a militant's car.
Aircraft also struck the Sheikh Radwan cemetery in Gaza City, destroying about 30 graves and scattering bits of flesh and body parts, residents said.
"There was flesh on the roofs, there were small bits of intestines. My neighbor found a hand of a woman who died a long time ago, we put it all into a plastic bag," said resident Ahmad Abu Jarbou.
Leibovich, the Israeli military spokeswoman, said the army targeted a weapons cache next to the cemetery and a nearby rocket-launching site.
She said Israel has destroyed 60 percent to 70 percent of the weapons smuggling tunnels along the Gaza-Egyptian border.
Israel has repeatedly accused Hamas of using mosques, schools and other civilian areas to stage attacks or store weapons. Aid groups have said Israeli forces must be more careful to prevent civilian casualties.
In other fighting, artillery units fired shells that spread white smoke above the city center, witnesses said. Human Rights Watch has accused Israel of using phosphorous shells _ a weapon that can burn anything it touches and is used to illuminate targets at night or create a smoke screen for day attacks.
Jakob Kellenberger, head of the international Red Cross, said in Jerusalem that his group had "no evidence" that Israeli forces were using phosphorus shells. He urged Israel to exercise "extreme caution" in order to avoid civilian casualties.
The Israeli military has said only that it uses munitions in accordance with international law.
Kellenberger welcomed the three-hour daily lulls in the fighting set by Israelis to let aid groups funnel aid and assist the wounded in Gaza, but he said more time was needed.
"You must have access at any time to people who are wounded," he said.
Also, nine Israeli human rights groups accused the army of endangering Gazan civilians and called for a war crimes investigation. The groups said in a letter to Israeli leaders that the Gaza campaign has left civilians with nowhere to flee.
Foreign Ministry spokesman Yigal Palmor said Israel supports freedom of expression, even if an opinion "is not based on any solid evidence and even if it is tainted with political bias."
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Teibel reported from Jerusalem. AP correspondent Karen Zolka contributed to this report.