The air strike is being called the deadliest attack involving U.N. personnel since the Israel-Hamas war began. ABC News' Matt Gutman has the latest report.

Over 552,000 children were vaccinated, according to the World Health Organization.

Polio vaccinations are wrapping up in Gaza on Thursday as the World Health Organization and its partners attempt to inoculate 90% of children under age 10.

The Al-Jaouni School in central Gaza was hit by Israeli forces for the fifth time in 11 months on Wednesday night.

The European Union’s top diplomat is urging Lebanon and Israel to work on deescalating tensions along their border

A 4-year-old Palestinian child is awaiting evacuation from Gaza as his pacemaker's battery runs out.

ABC News’ Matt Gutman reports from Israel where a small yet vocal population has been jailed for refusing to enlist in the Israel Defense Forces.

Ahmed Hammad, 5, had the device installed as a baby to treat a heart condition.

As millions of children go back to school around the world, formal education continues to be on hold for the children of Gaza.

Israel released video showing the dark underground tunnel where they say American-Israeli Hersh Goldberg-Polin and five other hostages spent their final moments before Hamas executed them.

The Israel Defense Forces (IDF) said a Monday night strike on tents in a designated humanitarian zone in the southern Gaza Strip targeted Hamas figures "directly involved" in the Oct. 7 attack.

A Brooklyn man has been indicted on charges accusing him of burning an Israeli flag during a protest last spring at Columbia University.

Israeli officials say three Israelis were fatally shot at the border crossing between the West Bank and Jordan

Ten of thousands of people filled the streets of Tel Aviv demanding a deal to free Israeli hostages in Gaza as the family of an American woman killed in the West Bank demands in investigation.

Huge numbers of Israelis have again turned out to protest the government's failure to secure the return of remaining hostages in Gaza

The U.S. is pressing for more information on the death of 26-year-old American activist Aysenur Eygi who was killed during recent protests in the West Bank.

ABC News' Marcus Moore has the latest on the death of the American activist who was shot dead at a protest.

A 26-year-old American woman died at Rafidia Hospital in Nablus, located in the West Bank, according to the hospital director.

A 26-year-old American woman was killed after being shot in the head in the West Bank, according to a hospital.

A 26-year-old American woman has died at Rafidia Hospital in Nablus, in the West Bank, according to the hospital director.

The demand comes after new strikes in the West Bank, where six people were killed after an Israeli operation was carried out overnight, according to the IDF and Palestinian Ministry of Health.

ABC News’ Britt Clennett investigates stories of whistleblowers and a freed Palestinian prisoner who allege violent abuse inside prisons run by Israel and its military.

Prime Minister Benjamin Netanyahu was standing firm Wednesday, saying there would be no deal with Hamas for a cease-fire without Israeli control over the Philadelphi Corridor.

Risking rocket fire, many farmers from northern Israel continue to grow produce amid rising fears of a wider war in the Middle East.

Naftali Bennett served as Israel's right-wing prime minister from 2021 to 2022.

Hamas leader Yahya Sinwar and other senior militants were formally charged by the Justice Department as masterminds of the attack.

The Department of Justice is charging the head of Hamas for his alleged role in the kidnapping and deadly attacks on American citizens in Israel on Oct. 7.

Naftali Bennett served as Israel's right-wing prime minister from 2021-2022, and his new opposition bloc has ideas on ending the war with Hamas that they believe can topple Benjamin Netanyahu.

The DOJ unsealed charges Tuesday targeting multiple senior members of Hamas' leadership for their alleged involvement in the kidnapping and murdering of Americans.

U.S. officials have unsealed charges targeting senior members of Hamas' leadership for their alleged involvement in kidnapping and murdering Americans during the terror group's attack on Israel.

As the IDF carries out ongoing strikes in Gaza, thousands have taken to the streets in Israel to protest Prime Minister Benjamin Netanyahu and demand a deal to bring the remaining hostages home.

ABC News’ Marcus Moore joins “GMA3” from Tel Aviv to discuss the protests and funerals surrounding the six Israeli hostages found murdered this past weekend in Gaza.

A new proposal will be presented in the coming days, officials say.

Tensions continue to rise as video of a scuffle emerges between Israeli police and demonstrators.

Israeli-American Hersh Goldberg-Polin was laid to rest on Monday while protests continued outside Prime Minister Benjamin Netanyahu’s Jerusalem residence for a second night.

The president said he was considering a possible last-ditch effort to bring both sides to an agreement for a ceasefire and bringing the remaining hostages home.

Thousands of demonstrators poured into Israel's streets for a second straight night Monday. Some gathered outside Prime Minister Benjamin Netanyahu's home with coffins to symbolize the slain hostages.

Anti-government demonstrators are again gathering across Israel demanding that Prime Minister Netanyahu conclude a cease-fire and hostage-release deal with Hamas.

Biden, as he returned to the White House to meet with the U.S. hostage deal negotiating team, said he did not believe Netanyahu was doing enough to secure an agreement.

The six hostages whose bodies were recovered Saturday in Gaza appeared to have died "shortly before" they were found, the Israeli military said Sunday.

A mass polio vaccination campaign is underway in Gaza to vaccinate more than 640,000 children after the first case in 25 years was recently detected in the strip.

Demonstrators demanded a cease-fire deal after six hostages were killed.

According to senior administration officials, President Biden is considering presenting Israel and Hamas a final proposal for a cease-fire and hostage deal in Gaza but nothing is definitive.

Thousands of people took to the streets of Tel Aviv on Monday to protest the deaths of six hostages found Saturday in Gaza, including Israeli-American Hersh Goldberg-Polin.

Aid groups plan to vaccinate more than 600,000 children under age 10 after Gaza recently reported its first polio case in 25 years.

Hersh Goldberg-Polin’s mother, Rachel, spoke directly to her slain son at his funeral Monday, saying she had been "absolutely certain that you were coming home to us alive. But it was not to be."

Hersh Goldberg-Polin was curious, self-assured and a deep, independent thinker, his dad, Jon Polin, said at his funeral on Monday.

ABC News audio reporter Jordana Miller reports from Jerusalem on the growing outrage and demand for answers after hostages are killed.

Palestinian health authorities and United Nations agencies have begun a large-scale campaign of vaccinations against polio in the Gaza Strip

The cease-fire deal negotiations between Israel and Hamas, which would have included the release of vulnerable hostages and massive relief for the people of Gaza, have hit a roadblock.