The Israeli air strikes in Gaza and rocket attacks by Hamas continued until a fifth night. At least 132 people were killed and nearly 1,000 injured.
The UN estimates that 10,000 Palestinians have been forced to flee their homes for security reasons while the attack from Israel continues. The militant group fired thousands of rockets at Israeli cities.
According to authorities, eight people were killed in Israel, including a soldier and two children.
US and Arab diplomats continue to seek an end to the violence as the situation continues to turn and 32 children have died so far, according to Palestinian medics.
Thousands of Palestinian families have sought refuge in United Nations-run schools in northern Gaza.
At least four people were killed in one of several air strikes in the northern Gaza Strip, Palestinian officials said, while residents said Israeli naval boats had fired grenades from the Mediterranean Sea.
Israeli planes destroyed a mosque, according to the Palestinian Ministry of Religious Affairs.
Sirens sounded in two large southern Israeli cities warning of a fire from the Gaza Strip. Hamas took responsibility for launching rockets.
With no sign of the end of the fighting, the Palestinians reported 11 dead in clashes between demonstrators and Israeli security forces in the occupied West Bank.
Hamas said a woman and a boy were among four people killed in an Israeli air strike that struck a home of the Abu Hattab family in the Beach refugee camp in Gaza City.
The Israeli army has not yet commented on the strike.
The eight people killed in Israel included one soldier patrolling the Gaza border and six civilians, including two children, the Israeli authorities said.
The UN Security Council will discuss the worsening crisis on Sunday.
Israel launched day-long attacks on Friday to destroy miles of tunnels, launch sites and weapons-making warehouses that were used by militants to stop the rocket attacks.
Across central and southern Israel, from small towns bordering Gaza to metropolitan Tel Aviv and southern Beersheba, people have been expecting howling sirens, radio and television broadcast interruptions, and cell phone beeps with red warnings telling them take cover.
Cross-border hostilities between Israel and Palestinian militants in Gaza have been accompanied by violence in mixed communities of Jews and Arabs in Israel.
Synagogues have been attacked and street fighting has broken out, prompting the Israeli president to warn of civil war.
Egypt led regional ceasefire efforts, with Cairo relying on Hamas and others, including the United States, to seek an agreement with Israel.
The Egyptian and Jordanian foreign ministers discussed efforts to end the confrontation with Gaza and prevent “provocations” in Jerusalem, the Egyptian foreign ministry said.
“The talks took a real and serious path on Friday,” said a Palestinian official. “The mediators from Egypt, Qatar and the United Nations are stepping up contacts on all sides to restore calm, but no agreement has yet been reached.”
Hamas launched the rocket strikes on Monday in retaliation for clashes by Israeli police with Palestinians near Al-Aqsa Mosque, Islam’s third holiest site in East Jerusalem.
The Israeli military said more than 2,000 rockets have been fired from Gaza into Israel since the conflict began, about half of which have been intercepted by the missile defense system and 350 have fallen into Gaza.