Flames erupt from a building following an Israeli military strike in Gaza City on Sunday. (AP photo)

JERUSALEM — U.S. Secretary of State Marco Rubio was in Israel on Sunday as its military intensified attacks on northern Gaza, flattening multiple high-rise building and killing at least 13 Palestinians.

Rubio said before the trip that he would seek answers from Israeli officials about their view of a path forward in Gaza, following Israel’s attack on Hamas leaders in Qatar last week that upended efforts to broker an end to the conflict.

His two-day visit also represents a show of support for the increasingly isolated Israel as the United Nations holds what is expected to be a contentious debate next week on commitment to the creation of a Palestinian state. Israeli Prime Minister Benjamin Netanyahu strongly opposes the recognition of a Palestinian state.

Qatar fallout

Rubio’s visit proceeded despite U.S. President Donald Trump’s anger at Netanyahu over the Israeli strike in Doha, which he said the United States wasn’t notified of beforehand.

On Sunday, Netanyahu, Rubio and their wives, along with U.S. Ambassador to Israel Mike Huckabee and his wife, toured the Western Wall and the excavated tunnels near it.

“I think his (Rubio’s) visit here is a testament to the durability, the strength of the Israeli-American alliance. It’s as strong and as durable as the stones of the Western Wall we just touched,” Netanyahu said.

On Friday, Rubio and Trump met with Qatar’s prime minister about the fallout from the Israeli operation. The back-to-back meetings with Israel and Qatar illustrate how the Trump administration is trying to balance relations between key Middle East allies despite widespread international condemnation of the attack.

The Doha attack, which killed at least six people, also appears to have ended attempts to secure an Israel-Hamas ceasefire and the release of hostages before the upcoming U.N. General Assembly session, at which the war in Gaza is expected to be a primary focus.

Meanwhile, Qatar’s prime minister denounced Israel as foreign ministers from Arab and Muslim nations met Sunday to discuss a possible unified response.

More airstrikes

On Sunday, at least 13 Palestinians were killed and dozens wounded in Israeli strikes across Gaza, according to local hospitals.

One strike on a tent in the city of Deir al-Balah killed at least six members of the same family. Two parents, their three children and the children’s aunt were killed, according to Al-Aqsa Hospital. The family was from the northern town of Beit Hanoun, and arrived in Deir al-Balah last week after fleeing a Gaza City shelter.

The Israeli military didn’t immediately comment.

As part of its expanding operation in Gaza City, the Israeli military destroyed three high-rise buildings Sunday after warning residents to evacuate. One building, part of the Islamic University in western Gaza City, was struck twice and flattened. Al-Shifa hospital reported casualties, but couldn’t confirm how many, saying some bodies remain trapped inside.

Before the strikes, residents scrambled to pull out belongings, tossing mattresses from balconies and wheeling away items, including suitcases.

Without providing evidence, Israel has accused Hamas of building militant infrastructure inside civilian areas. On Sunday, the military said Hamas had positioned observation points to gather intelligence about troop movements and that militants were poised to strike Israeli troops, though it offered no evidence to support those claims.

Starving in Gaza

Separately, two Palestinian adults died of causes related to malnutrition and starvation in the Gaza Strip over the last 24 hours, the territory’s Health Ministry reported Sunday.

That has brought the death toll from malnutrition-related causes to 277 since late June, when the ministry started to count fatalities among this age category, while another 145 children died of malnutrition-related causes since the start of the war in October 2023, the ministry said.

The Israeli defense body overseeing humanitarian aid in Gaza said that more than 1,200 trucks carrying aid, primarily food, entered Gaza over the past week.

Aid workers say the aid that does reach Gaza is too little and insufficient for the territory’s enormous needs. Much of it is also looted before it can reach Palestinians in desperate need.

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Samy Magdy reported from Cairo. Melanie Lidman in Tel Aviv, Israel, Eric Tucker in Washington, and Jon Gambrell in Dubai, United Arab Emirates, contributed to this report.