DEIR AL-BALAH, Gaza Strip (AP) — Israel received the remains of another hostage from Gaza on Friday, the prime minister’s office said, a handover from Hamas as the militant group worked to shore up a ceasefire by using bulldozers in a search for bodies under the rubble in the war-scarred enclave.

The Israeli military and security forces received the coffin from the International Committee of the Red Cross inside the Gaza Strip, and it was to be sent to the Ministry of Health’s National Center for Forensic Medicine in Israel.

Israeli authorities said the family of the deceased would be notified first after a formal identification process.

The handover came after Hamas’ military wing, known as the Qassam Brigades, said the remains were that of an “occupation prisoner,” suggesting that they belonged to an Israeli rather than one of the hostages of several other nationalities also taken in Gaza.

The handover of hostages remains, called for under the ceasefire agreement, has been among the key sticking points — along with aid deliveries, the opening of border crossings into Gaza and hopes for reconstruction — in a process backed by much of the international community to help end two years of devastating war in Gaza.

A warning from Trump

Hamas has said it is committed to the terms of the ceasefire deal, including the handover of bodies. This week, Hamas has handed over to Israel the remains of nine hostages, along with a 10th body that Israel said wasn’t that of a hostage.

The effort to find bodies followed a warning from U.S. President Donald Trump that he would green-light Israel to resume the war if Hamas doesn’t live up to its end of the deal and return all hostages’ bodies, totaling 28.

The Israeli military and Shin Bet security service, which received the remains, insisted that “Hamas is required to uphold the agreement and take the necessary steps to return all the deceased hostages.”

Hamas has said some hostages’ remains were in tunnels or buildings that were destroyed by Israel, and insisted heavy machinery is required to dig through rubble to retrieve them. The group blamed Israel for the delay, saying it had not allowed any new bulldozers into Gaza.

Most heavy equipment in the territory was destroyed during the war triggered by the Oct. 7, 2023 attacks in Israel, leaving only a limited amount as Palestinians try to clear massive amounts of rubble across Gaza.

On Friday, two bulldozers plowed up pits in the earth as Hamas searched for hostages' remains in Hamad City, a complex of apartment towers in the city of Khan Younis. Israeli forces repeatedly bombarded the towers during the war, toppling some, and troops conducted a weeklong raid there in March 2024, fighting militants.

While much focus has been on the handover of hostages' remains, Hamas has urged mediators to increase the flow of aid into Gaza, expedite the opening of the Rafah border crossing with Egypt and start reconstruction.

It also said work should “start immediately” to set up a committee of Palestinian independents who will run Gaza and called for Israeli troops to continue pulling back from agreed-upon areas.

The ceasefire plan introduced by Trump had called for all hostages — living and dead — to be handed over by a deadline that expired Monday. But under the deal, if that didn’t happen, Hamas was to share information about deceased hostages and try to hand them over as soon as possible.

Israeli Prime Minister Benjamin Netanyahu has said that Israel “will not compromise” and demanded that Hamas fulfill the requirements laid out in the ceasefire deal about the return of hostages’ bodies.

Obstacles to retrieving bodies

Hamas has assured the U.S. through intermediaries that it's working to return dead hostages. The retrieval of bodies is hampered by the scope of the devastation and the presence of dangerous, unexploded ordnance. The militant group has also told mediators that some bodies are in areas controlled by Israeli troops.

Hamas released all 20 living Israeli hostages on Monday. In exchange, Israel freed around 2,000 Palestinian prisoners and detainees.

In Israel, the Hostage and Missing Families Forum — which groups many families of hostages — said they will continue holding weekly rallies until all remains are returned.

Israel has also returned to Gaza the bodies of 90 Palestinians for burial. Israel is expected to turn over more bodies, though officials have not said how many are in its custody or how many will be returned.

A Palestinian forensics team examining the remains said some of the bodies showed signs of mistreatment.

Israel's campaign in Gaza has killed nearly 68,000 Palestinians, according to the Health Ministry, which is part of the Hamas-run government in the territory. Thousands more people are missing, according to the Red Cross.

France says international force for Gaza is in the pipeline

France said it's working with Britain and the U.S. to propose a U.N. resolution in coming days that would provide a framework for an international force for Gaza.

French Foreign Ministry spokesperson Pascal Confavreux said Thursday that Arab countries want a U.N. mandate for the force.

Arab countries are expected to be among those contributing troops to the force, which will oversee Egyptian-trained Palestinian police.

New insights into U.S. response to Israel’s strike in Qatar

Also on Friday, new details emerged about the Trump administration’s initial surprise about -- and subsequent response to -- an Israeli strike last month on the headquarters of Hamas’ political leadership in Qatar. The attack came just as its top figures gathered to consider a U.S. proposal for a ceasefire in Gaza.

In excerpts of an interview with CBS program 60 Minutes to be aired in full on Sunday, Trump’s Middle East envoy Steve Witkoff said he and Jared Kushner, the president’s son-in-law, felt “a little bit betrayed” by Israel’s attack.

Kushner said he thought Trump “felt like the Israelis were getting a little bit out of control in what they were doing, and that it was time to, it was time to be very strong and stop them from doing things that he felt were not in their long-term interests.”

Weeks later, hosting Netanyahu at the White House, the president announced the initial contours of the planned ceasefire agreement.

Wait for a large infusion of aid into Gaza goes on

Meanwhile, in Gaza, the flow of aid remains constrained because of continued closures of crossings and restrictions on aid groups.

United Nations data on Friday showed 339 trucks have been offloaded for distribution in Gaza since the ceasefire began a week ago. Under the agreement, some 600 humanitarian aid trucks would be allowed to enter each day.

COGAT, the Israeli defense body overseeing aid in Gaza, reported 950 trucks — including commercial trucks and bilateral deliveries — crossing on Thursday and 716 on Wednesday, the U.N. said

Tom Fletcher, the U.N. humanitarian aid chief, visited a World Food Program bakery in Deir al-Balah on Friday, and said in a social media post that U.N. humanitarian teams were executing a 60-day plan to massively ramp up aid. He warned that the “challenges ahead are immense," and urged the opening of more crossings to allow more aid in

Since last Saturday, WFP has sent more than 280 trucks, weighing some 3,000 metric tons, into Gaza to support bakeries, nutrition programs and general food distributions, the U.N. food aid agency said.

Nahed Sheheiber, the head of Gaza’s private truckers’ union, which organizes pickups of aid after Israeli inspection, says improved security in Gaza has helped prevent looting or gangs intercepting aid convoys — even if there has been no significant increase of supplies arriving since the ceasefire. He said only 70 trucks went in Thursday.

Gaza's more than 2 million people are hoping the ceasefire will bring relief from the humanitarian disaster caused by Israel's campaign. Throughout the war, Israel restricted aid entry to Gaza — sometimes halting it altogether.

Famine was declared in Gaza City, and the U.N. says it has verified more than 400 people who died of malnutrition-related causes, including more than 100 children.

Israel says it let in enough food, accusing Hamas of stealing much of it. The U.N. and other aid agencies deny the claim.

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Associated Press writers Edith M. Lederer at the United Nations; Suzan Fraser in Ankara, Turkey; and Angela Charlton in Paris contributed.