JERUSALEM — The Israeli military said Sunday it carried out a ground raid into Syria, seizing a Syrian citizen involved in Iranian networks. It was the first time in the current war that Israel has announced sending troops into Syria.

Syria did not immediately confirm the announcement.

The army did not specify where in Syria the raid took place or when. It identified the man it seized as Ali Soleiman al-Assi, saying he lives in the southern Syrian region of Saida. It said he had been under military surveillance for many months and was involved in Iranian initiatives targeting areas of the Israeli-annexed Golan Heights near the border with Syria.

Body camera footage of the raid released by the army showed soldiers seizing a man in a white tank top inside a building. The man was brought to Israel for interrogation, the military said.

THIS IS A BREAKING NEWS UPDATE. AP’s earlier story follows below.

An Israeli drone strike on a clinic in northern Gaza — where children were being vaccinated for polio — wounded six people including four children, Palestinian officials said. The Israeli military denied responsibility.

The alleged strike occurred Saturday in northern Gaza, which has been encircled by Israeli forces and largely isolated for the past year. Israel has been carrying out another offensive there in recent weeks that has killed hundreds of people and displaced tens of thousands.

It was not possible to resolve the conflicting accounts. Israeli forces have repeatedly raided hospitals in Gaza over the course of the war, saying Hamas uses them for militant purposes, allegations denied by Palestinian health officials. Hamas fighters are also operating in the north, battling Israeli forces.

Dr. Munir al-Boursh, director general of the Gaza Health Ministry, told The Associated Press that a quadcopter struck the Sheikh Radwan clinic in Gaza City early Saturday afternoon, just a few minutes after a United Nations delegation left the facility.

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WHO Expresses Concerns

The World Health Organization and the U.N. children’s agency, known as UNICEF, which are jointly carrying out the polio vaccination campaign, expressed concern over the reported strike.

“The reports of this attack are even more disturbing as the Sheikh Radwan Clinic is one of the health points where parents can get their children vaccinated,” said Rosalia Bollen, a spokesperson for UNICEF.

“Today’s attack occurred while the humanitarian pause was still in effect, despite assurances given that the pause would be respected from 6 a.m. to 4 p.m.”

Lt. Col. Nadav Shoshani, an Israeli military spokesman, said that “contrary to the claims, an initial review determined that the (Israeli military) did not strike in the area at the specified time.”

In southern Gaza on Sunday, an Israeli strike hit a group of people gathered outside in an eastern district of Khan Younis, killing at least eight Palestinians, including four children and a woman, the Gaza Health Ministry’s emergency services said. The city’s Nasser Hospital, which received most of the bodies, confirmed the figures.

A scaled-down campaign to administer a second dose of the polio vaccine began Saturday in parts of northern Gaza. It had been postponed from Oct. 23 due to lack of access, Israeli bombings and mass evacuation orders, and the lack of assurances for humanitarian pauses, a U.N. statement said.

The administration of the first dose was carried out in September across the Gaza Strip, including areas of northern Gaza that are now completely sealed off. Health officials said the campaign’s first round, and the administration of the second dose across central and southern Gaza, were successful.

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100,000 People Forced to Evacuate

At least 100,000 people have been forced to evacuate from areas of north Gaza toward Gaza City in the past few weeks, but around 15,000 children under the age of 10 remain in northern towns, including Jabaliya, Beit Lahiya and Beit Hanoun, which are inaccessible, according to the U.N.

The final phase of the polio vaccination campaign had aimed to reach an estimated 119,000 children in the north with a second dose of the oral polio vaccine, the agencies said, but “achieving this target is now unlikely due to access constraints.”

They say 90% of children in every community must be vaccinated to prevent the spread of the disease.

The campaign was launched after the first polio case was reported in Gaza in 25 years — a 10-month-old boy, now paralyzed in the leg. The World Health Organization said the presence of a paralysis case indicates there could be hundreds more who have been infected but aren’t showing symptoms.

The war began on Oct. 7, 2023, when Hamas-led militants stormed into southern Israel, killing some 1,200 people, mostly civilians, and abducting another 250. Israel’s offensive has killed over 43,000 Palestinians, according to Gaza health authorities, who do not say how many were combatants but say more than half were women and children.