DEIR AL-BALAH, Gaza Strip (AP) — The tense cease-fire between Israel and Hamas appeared to be back on track early Sunday after the release of a second group of militant-held hostages and Palestinians from Israeli prisons, but the swap followed an hourslong delay that underscored the truce’s fragility.

The exchange was delayed Saturday evening after Hamas accused Israel of violating the agreement, which has brought the first significant pause in seven weeks of war marked by the deadliest Israeli-Palestinian violence in decades, vast destruction and displacement across the Gaza Strip, and a hostage crisis that has shaken Israel.

The deal seemed at risk of unraveling until Qatar and Egypt, which mediate with Hamas, announced late Saturday that the obstacles to the exchange had been overcome. The militants released 17 hostages, including 13 Israelis, while Israel freed 39 Palestinian prisoners.

Thousands of people gathered in central Tel Aviv late Saturday to call for the release of all the estimated 240 people captured by Hamas in its Oct. 7 rampage across southern Israel, which ignited the war. They accused Prime Minister Benjamin Netanyahu of not doing enough to bring them back.

Pressure from the hostages’ families and lingering anger over Israel’s failure to prevent the attack have sharpened the dilemma facing the country’s leaders who seek to eliminate Hamas as a military and governing power while bringing all the captives back safely.

The war has already claimed the lives of more than 1,200 Israelis, mostly civilians killed by Hamas in the initial attack. More than 13,300 Palestinians have been killed, roughly two thirds of them women and minors, according to the Health Ministry in Hamas-ruled Gaza.

The four-day cease-fire, which began Friday, was brokered by Qatar, Egypt and the United States. Hamas is to release at least 50 Israeli hostages, and Israel 150 Palestinian prisoners. All are women and minors.

Israel has said the truce can be extended by an extra day for every additional 10 hostages freed, but has vowed to quickly resume its offensive once it ends. Israel said early Sunday that it had received a new list of hostages slated to be released later in the day, in the third of four scheduled swaps.

AID AND RESPITE IN GAZA

The pause has given Gaza’s 2.3 million people, still reeling from relentless Israeli bombardment that has driven three-quarters of the population from their homes and leveled residential areas, a few days of calm. Rocket fire from Gaza militants into Israel also went silent.

War-weary Palestinians in northern Gaza, where the offensive has focused, returned to the streets to survey the damage Entire city blocks in and around Gaza City have been gutted by airstrikes that hollowed out buildings and left drifts of rubble in the street.

In southern Gaza, where hundreds of thousands of people from the north have sought refuge, residents lined up outside gas stations for a second day, hoping to stock up on fuel. Palestinians who have tried to return to the north to see if their homes are still intact have been turned back by Israeli troops.

“Many are desperate to return to their homes, but they open fire on anyone approaching from the south,” said Rami Hazarein, who fled from Gaza City last month.

The United Nations said the truce has made it possible to scale up the delivery of food, water, and medicine to the largest volume since the start of the war. It was also able to deliver 129,000 liters (about 35,000 gallons) of fuel, just over 10% of daily pre-war volume, as well as cooking gas, a first since the war began. Aid also reached northern Gaza, for the first time in a month.

In holding up the hostage release on Saturday, Hamas alleged that aid deliveries fell short of what was expected and that not enough was reaching the north. It also said Israel was not releasing enough long-serving prisoners. Many Palestinians view prisoners held by Israel, including those implicated in deadly attacks, as heroes resisting occupation.

A BITTERSWEET MOMENT FOR HOSTAGE FAMILIES

Shortly before midnight, Hamas released the second group of hostages, 13 Israelis and four Thais. They were turned over to Egypt and then transferred to Israel, where they were taken to hospitals.

Hamas released a video showing the hostages appearing shaken but mostly in good physical condition as masked militants led them to Red Cross vehicles. Some of the hostages waved goodbye to the militants. One girl was on crutches and wore a cast on her left foot.

The Israeli hostages freed on Saturday included seven children and six women, Netanyahu’s office announced. Most were from Kibbutz Be’eri, a community Hamas militants ravaged during their Oct. 7 cross-border attack. The children ranged in age from 3 to 16, and the women ranged from 18 to 67.

It was a bittersweet moment for the residents of Be’eri, who have been living in a Dead Sea hotel since their community was overrun. A kibbutz spokesperson said all the released hostages either had a family member killed in the Oct. 7 rampage or a loved one still in captivity in Gaza.

A HERO’S WELCOME IN WEST BANK

Some of the Palestinian prisoners were released in east Jerusalem, while the bulk returned home to a hero’s welcome in the occupied West Bank.

Among those released was Nurhan Awad, who was 17 in 2016 when she was sentenced to 13 1/2 years in jail for attempting to stab an Israeli soldier with a pair of scissors. Israa Jaabis had been imprisoned since 2015 after being convicted of a bomb attack that wounded an Israeli police officer and left Jaabis with severe burns on her face and hands.

In the West Bank town of Al-Bireh, newly released teenage boys were paraded through the main square where they waved Palestinian flags as well as green banners of Hamas and yellow banners of the rival Fatah party of President Mahmoud Abbas.

According to the Palestinian Prisoners’ Club, an advocacy group, Israel is holding 7,200 Palestinians, including about 2,000 arrested since the start of the war.

The war in Gaza has been accompanied by a surge in violence in the Israeli-occupied West Bank. Palestinian health authorities said early Sunday that five Palestinians were killed in an Israeli military raid in the northern West Bank city of Jenin that began the day before.

The military said it had arrested a suspect in the killing of an Israeli father and son at a car wash in the West Bank earlier this year. The army has conducted frequent military raids and arrested hundreds of Palestinians since the start of the war, mostly people it suspects of being Hamas members.

___

Magdy reported from Cairo. Associated Press writer Tia Goldenberg in Tel Aviv, Israel contributed to this report.

___

Full AP coverage at https://apnews.com/hub/israel-hamas-war.