KHAN YOUNIS, Gaza Strip (AP) — U.S. Secretary of State Antony Blinken said Friday that more needs to be done to protect Palestinian civilians in Gaza or else there will be “no partners for peace” as he urged Israel to ensure greater humanitarian aid to the besieged territory. Israel, meanwhile, warned that it was on high alert for attacks on its border with Lebanon as fears grew that the conflict could widen.

Israeli troops tightened their encirclement of Gaza City, the focus of their campaign to crush the enclave’s ruling Hamas militants, who launched a brutal attack on Israeli communities that started the war.

But ever since that Oct. 7 assault, there have been concerns the conflict could ignite fighting on other fronts, and Israel and the Iran-backed militant group Hezbollah have repeatedly traded fire along the Lebanon border. Tensions escalated further as Hezbollah leader Hassan Nasrallah on Friday delivered his first public speech since the conflict began.

Blinken, in Israel on his second diplomatic mission in the region dealing with the war, reiterated U.S. full support for Israel, saying it had the right to defend itself. He said the U.S. was committed to ensuring that no “second of third front” opens in the conflict, referring to Hezbollah.

But he said there had to be a substantial and immediate increase in humanitarian aid to Gaza and, “we need to do more to protect Palestinian civilians” in Gaza. Without that, “there are no partners for peace,” he said, adding that it was critical to restore the path toward a two-state solution to the Israel-Palestinian conflict.

Hezbollah, an Iran-backed ally of Hamas, attacked Israeli military positions in northern Israel with drones, mortar fire and suicide drones on Thursday. The Israeli military said it retaliated with warplanes and helicopter gunships, and spokesman Rear Adm. Daniel Hagari said civilians were wounded in the Hezbollah attacks.

“We are in a high state of readiness in the north, in a very high state of alert, to respond to any event today and in coming days,” he said.

Since Israel’s war with Hamas began, Hezbollah has taken calculated steps to keep Israel’s military busy on the country’s border with Lebanon but so far has done nothing to ignite an all-out war.

A war with Hezbollah would be devastating for both Israel and Lebanon. Hezbollah is much stronger than Hamas, with an arsenal of some 150,000 rockets and missiles, some believed to be precision-guided weapons capable of striking deep inside Israel.

Israel has promised to unleash vast destruction in Lebanon if all-out war erupts, accusing Hezbollah of hiding its military installation in the midst of residential areas. The two enemies fought an inconclusive monthlong war in 2006. Renewed fighting could also risk drawing Iran, which backs both Hamas and Hezbollah, into the conflict.

More than 9,200 Palestinians have been killed in Gaza so far, mostly women and minors, and more and than 23,000 people have been wounded, the Gaza Health Ministry said, without providing a breakdown between civilians and fighters.

More than 1,400 people have died on the Israeli side, mainly civilians killed during Hamas’ initial attack, when some 240 people were also taken hostage. Some 5,400 have also been injured.

Twenty-four Israeli soldiers have been killed in Gaza since the start of the ground operation. Since the start of the war, seven Israeli soldiers and a civilian have been killed in different incidents along Israel’s border with Lebanon.

BLINKEN’S LATEST TRIP
As American officials have before, Blinken pledged unwavering support for Israel and its right to defend itself while on a visit to the country, but he also stressed the importance of protecting civilians amid growing alarm over the humanitarian crisis in Gaza.

“We stand strongly for the proposition that Israel has not only the right but the obligation to defend itself, and to make sure that October 7 should never happen again,” Blinken said. “How Israel does this matters and it is very important that when it comes to the protection of civilians who are caught in the crossfire of Hamas’ making that everything to be done to protect them and to bring assistance to those who so desperately need it.”

This is Blinken’s third trip to Israel since the war began and he also plans to visit Amman, Jordan. It follows President Joe Biden’s suggestion for a humanitarian “pause” in the fighting. The aim would be to let in aid for Palestinians and let out more Palestinians who hold foreign passports and wounded.

Around 800 people left Gaza over the past two days — the first time people departed the besieged territory other than four hostages released by Hamas and another rescued by Israeli forces.

Blinken first held talks with Israeli Prime Minister Benjamin Netanyahu behind closed doors before starting wider discussions with the leader and his War Cabinet and meeting with President Isaac Herzog.

More than 3,700 Palestinian children have been killed in 25 days of fighting, according to the Health Ministry in Hamas-run Gaza. Bombardment has driven more than half the territory’s 2.3 million people from their homes. Food, water and fuel are running low under Israel’s siege, and overwhelmed hospitals warn they are on the verge of collapse.

Israel has allowed more than 260 trucks carrying food and medicine into Gaza, but aid workers say it’s not nearly enough. Israeli authorities have refused to allow fuel in, saying Hamas is hoarding fuel for military use and would steal new supplies.

White House national security spokesman John Kirby said the U.S. was not advocating for a general cease-fire but a “temporary, localized” pause.

Israel has not openly responded to Biden’s suggestion. But Netanyahu, who has previously ruled out a cease-fire, said Thursday: “We are advancing. … Nothing will stop us.” He vowed to destroy Hamas rule in the Gaza Strip.

Israel and the U.S. seem to have no clear plan for what would come next if Hamas rule in Gaza is brought down — a key question on Blinken’s agenda during the visit, according to the State Department.

GAZA CITY ENCIRCLED
Meanwhile, military officials said Israeli forces have now completely encircled Gaza City, a densely packed cluster of neighborhoods that Israel says is the center of Hamas military infrastructure and includes a vast network of underground tunnels, bunkers and command centers.

Israeli forces are “fighting in a built-up, dense, complex area,” said the military’s chief of staff, Herzi Halevy.

Hagari, the military spokesperson, said Israeli forces were in “face to face” battles with militants, calling in airstrikes and shelling when needed. He said they were inflicting heavy losses on Hamas fighters and destroying their infrastructure with engineering equipment.

Hamas’ military wing said early Friday that its fighters battled Israeli troops in several areas in Gaza and claimed they killed four soldiers on the northern edge of the city of Beit Lahiya. It also claimed to have destroyed several tanks with locally made anti-tank rockets.

Neither the reports from Israel nor Hamas could be independently verified.

Casualties on both sides were expected to rise as Israeli troops advance toward the dense residential neighborhoods of Gaza City. Israel has warned residents to immediately evacuate the Shati refugee camp, which borders Gaza City’s center.

But hundreds of thousands of Palestinians remain in the path of fighting in northern Gaza, despite Israel’s repeated calls for them to flee. Many have crowded into U.N. facilities, hoping for safety.

Still, four U.N. schools-turned-shelter in northern Gaza and Bureij were hit in recent days, killing 24 people, according to Philippe Lazzarini, general-secretary of the U.N. agency for Palestinian refugees, known as UNRWA.

In the occupied West Bank overnight, Israeli forces killed seven Palestinians in different places and arrested many more, according to the Israeli military and Palestinian health officials.

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This story has been updated to correct the Palestinian injury toll in Gaza to more than 23,000, according to the Health Ministry. The ministry previously said it was over 32,000.

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Associated Press writers Matthew Lee in Tel Aviv and Julia Frankel in Jerusalem contributed to this report. Mroue reported from Beirut, Rising from Bangkok.