At least 10 people have been killed in a strike at a United Nations-run school housing Palestinians displaced by the Gaza conflict, medics say.
The attack hit the entrance of the facility in Rafah, where thousands of Palestinians are said to be sheltering.
Palestinians inspect the wreckage of a building hit in an Israeli air strike in Rafah, in the southern Gaza Strip. Photo: AFP
The Israeli military has not commented but has been carrying out renewed strikes in Gaza.
Gaza health officials say 30 people have died on Sunday, while militants continue to fire rockets into Israel.
The latest exchanges came after Israel's military said that an officer it feared had been captured had now been confirmed dead. Hadar Goldin went missing on Friday near Rafah.
Confirmation of 2nd Lt Goldin's death means 66 Israelis have now died in the fighting, all but two of them soldiers. A Thai worker in Israel also died.
The latest official figures from Gaza's health ministry say that 1,740 Palestinians have been killed and 9,080 injured since the conflict began more than three weeks ago.
The BBC reports that Israeli shelling of the Jabaliya UN shelter last week, which killed 16 people, drew widespread international condemnation.
Israeli prime minister Benjamin Netanyahu vowed that Israel would keep up its military campaign in Gaza for as long as needed and with as much force as necessary.
Benjamin Netanyahu speaks during a press conference in Tel Aviv on 2 August. Photo: AFP
He said all options are on the table to achieve the mission of returning peace and security to the people of Israel, and Israel will exact what he called an "intolerable price" from Hamas should there be continued attacks from the Palestinian territory.
Meanwhile, hopes are fading of talks in Cairo achieving an end to the Gaza conflict. They had been billed as the best chance yet to bring the warring parties to the table, but Israel has said it will not attend.
Earlier the Israeli army said its mission to destroy tunnels built by Palestinian fighters in Gaza for infiltrating into Israel is nearly complete.
A Palestinian youth carries a bicycle from the wreckage of a building hit in an Israeli strike, in Rafah, Photo: AFP
Israel will finish destroying tunnels used by Palestinian militants and consider a unilateral withdrawal from Gaza and the military said Israel was already close to that objective.
A health disaster
A United Nations spokesperson in Gaza has warned that a health disaster of widespread proportions is rapidly unfolding there after three weeks of intense conflict.
Chris Gunness from the UN's Relief and Works Agency said Gaza's medical services are on the verge of collapse.
He said hospitals, clinics and ambulances had been damaged and those that were still functioning were overwhelmed, with at least 40 percent of medical staff unable to get to work.
Palestinians carry belongings as they return home in the al-Atatra area in the northern Gaza Strip. Photo: AFP
Egypt was set to host talks, with President Abdul Fattah al-Sisi saying its plan was a chance to end bloodshed.
Palestinian and US delegations had been expected to arrive in Cairo on Saturday. The Palestinian delegation was reported to include Hamas, which controls Gaza, Fatah and other factions. While the US team was expected to be led by Deputy Secretary of State William Burns.
Hamas' military wing, the Qassam Brigades, had said earlier it had no information about the fate of 2nd Lt Goldin, but that he may have been killed along with his captors in an Israeli bombardment.
The latest official figures from Gaza's health ministry say that 1,740 Palestinians have been killed and 9,080 injured since the conflict began more than three weeks ago.
Sixty five Israelis, all but two soldiers, have died in the conflict.
More than 290 children killed
The United Nations said more than 290 Palestinian children have been killed since fighting between Israel and Hamas broke out in the Gaza Strip last month.
UNICEF said children make up 30 percent of the civilian casualties in Gaza.
The organisation says at least 296 children make up the more than 1,600 Palestinians killed in Gaza since Israel launched an offensive aimed at stopping militant rocket fire.
UNICEF stresses the numbers are cross-checked for accuracy but says they may increase based on further verifications.
Israel blames Hamas for the deaths in Gaza, accusing the Islamist movement of using civilians as human shields.
