Israel-Gaza updates: IDF says it exposed Hamas tunnel under Shifa Hospital

The Israel Defense Forces announced Tuesday the temporary opening of evacuation corridors in the war-torn Gaza Strip to allow more people in the north of the Hamas-run enclave to move south.

A "safe passage" will be open "for humanitarian purposes" via the Salah al-Din highway toward the area south of Wadi Gaza on Tuesday between 9 a.m. and 4 p.m. local time, according to the IDF.

The IDF said it will also temporarily suspend military activities "for humanitarian purposes" in the neighborhoods of Al-Daraj and Al-Tuffah on Tuesday between 10 a.m. and 2 p.m. local time.

"Please, for your safety, join the hundreds of thousands of residents who have moved south in recent days," the IDF said in a statement. "We encourage you to seize the time and move south!"

The IDF also urged Gaza residents to "not surrender to Hamas," alleging that the militant group "has lost control over the northern Gaza Strip area and is trying to do everything it can to prevent you from moving south and protect yourselves."

-ABC News' Jordana Miller

Israeli military officials brought several journalists, including ABC's Matt Gutman, into the Al-Rantisi Hospital inside Gaza, which had been hit with artillery.

The hospital, Gaza's sole children's hospital, was allegedly a Hamas command center, Israel’s chief military spokesperson Daniel Hagari, who led the tour, claimed.

The hospital was surrounded by Israeli tanks from Thursday into Friday, the director of Al-Rantisi Children’s Hospital said on Friday.

Inside the basement of the hospital, which officials said has been evacuated, were abandoned AK-47s, grenades and what Hagari said were suicide vests. In another room of the basement was a chair where Hagari claims a hostage was kept.

5:12

Battles rage around Gaza hospitals

Israel says hospitals in Gaza are being used to shield Hamas fighters.

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The spokesperson said the Israeli military was set to detonate the grenades and vests they claim they found inside and a forensic team was going to probe the hospital for more evidence.

The tour came after the hospital's resources deteriorated due to nearby attacks according to UNICEF.

The hospital’s operations almost ceased between Thursday and Friday, according to UNICEF.

By Friday, Al-Rantisi Hospital had only a small generator powering the intensive care and neonatal intensive care units, UNICEF said.

-ABC News' Matt Gutman

While the White House is emphasizing the need to protect civilians in and around Gaza’s hospitals, two administration officials say the U.S. has intelligence supporting Israel’s assessment that Hamas is using Al-Shifa Hospital to shelter a command center under the medical complex, further complicating the situation on the ground.

State Department spokesman Matthew Miller declined to weigh in on Hamas’ operations surrounding Al-Shifa specifically, and underscored that regardless of the terror group's activities, hospitals were still serving vital civilian needs and must be safeguarded.

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Gaza’s biggest hospitals stop functioning as conflict escalates

ABC News’ Patrick Reevell talks about the crisis at two of Gaza’s biggest hospitals as the conflict continues to escalate.

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Miller also stressed that Hamas bore responsibility for the suffering at hospitals.

“We would love to see Hamas vacate the hospitals it's using [as] command posts immediately," he said. "We would love to see Hamas take some of the fuel reserves it's sitting on and use that to supply hospitals in northern Gaza. We would love to see Hamas have taken the fuel that Israel offered it yesterday that they declined for use at Al-Shifa Hospital."

-ABC News' Shannon Crawford

The U.S. and Israel both "do not want to see firefights in hospitals," national security advisor Jake Sullivan said Monday as conditions at Gaza's hospitals worsen.

A Doctors Without Borders surgeon working at Gaza's largest hospital, Al-Shifa Hospital, said when an ambulance was sent outside the hospital gate to bring in patients, the ambulance was attacked.

The surgeon said the medical team has only agreed to leave Al-Shifa if patients are evacuated first.

"We want to see patients protected, we want to see hospitals protected. We have spoken with [the] Israeli government about this, and they have said they share that view," Sullivan said.

Sullivan also said the U.S. is continuing to work on getting fuel to hospitals and allowing evacuations from hospitals if they're in danger.