"Civil order is breaking down in Gaza," a UNRWA official said.
The temporary cease-fire between Hamas and Israel ended on Dec. 1, and Israel has resumed its bombardment of Gaza.
The end of the cease-fire came after Hamas freed over 100 of the more than 200 people its militants took hostage during the Oct. 7 surprise attack on Israel. In exchange, Israel released more than 200 Palestinians from Israeli prisons.
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The latest outbreak of war between Israel and Hamas, the Palestinian militant group that governs the Gaza Strip, has passed the four-month mark.
In the Gaza Strip, at least 30,228 people have been killed and 71,377 others have been wounded by Israeli forces since Oct. 7, according to Gaza's Hamas-controlled Ministry of Health.
In Israel, at least 1,200 people have been killed and 6,900 others have been injured by Hamas and other Palestinian militants since Oct. 7, according to the Israel Defense Forces.
There has also been a surge in violence in the Israeli-occupied West Bank. Israeli forces have killed at least 395 people in the territory since Oct. 7, according to the Palestinian Ministry of Health.
The ongoing war began after Hamas-led militants launched an unprecedented incursion into southern Israel from neighboring Gaza via land, sea and air. Scores of people were killed while more than 200 others were taken hostage, according to Israeli authorities. The Israeli military subsequently launched retaliatory airstrikes followed by a ground invasion of Gaza, a 140-square-mile territory where more than 2 million Palestinians have lived under a blockade imposed by Israel and supported by Egypt since Hamas came to power in 2007. Gaza, unlike Israel, has no air raid sirens or bomb shelters.
Al-Awda Hospital in the northern Gaza Strip is "besieged" by Israeli forces, a spokesperson said Wednesday.
There are currently 95 employees and 38 patients inside the hospital in the city of Jabalia, north of Gaza City, according to the spokesperson.
Just four hospitals remain operational in the north, according to the Gaza's Hamas-run Ministry of Health.
-ABC News' Nasser Atta and Morgan Winsor
A hospital in the Middle Area of the Gaza Strip has seen an influx of dead and wounded arrive at its doors over the last day, according to Palestinian health officials.
Gaza's Hamas-run Ministry of Health said Wednesday morning that the Al-Aqsa Martyrs Hospital has received 73 dead and 123 injured patients in the past 24 hours amid intense bombardment by the Israeli military.
-ABC News' Nasser Atta and Morgan Winsor
More than 1,000 Americans and their family members are still stranded in Gaza, more than a month after the Rafah border crossing first opened to outbound traffic, according to the State Department.
"We know of approximately 1,050 individuals (about 350 U.S. citizens, plus lawful permanent residents and family members of U.S. citizens and lawful permanent residents) who we are in touch with and who are seeking to depart Gaza," a State Department spokesperson said in a statement to ABC News, adding it "remains a fluid and quickly evolving situation."
These figures come a day after State Department spokesperson Matt Miller told reporters that the number of American citizens trying to exit the area stood at 220, and that there were 750 individuals eligible to leave Gaza who had not yet been able to depart.
-ABC News' Shannon K. Crawford
Secretary of State Antony Blinken announced a new visa restriction policy on Tuesday "targeting individuals believed to have been involved in undermining peace, security or stability in the West Bank."
The policy includes those "committing acts of violence or taking other actions that unduly restrict civilians' access to essential services and basic necessities," Blinken said in a statement.
The State Department has already started pursuing initial action against individuals and will designate others "in the coming days," spokesperson Matt Miller told reporters Tuesday.
The department expects the policy will impact "dozens of individuals and potential their family members," he said.
During a visit to Israel last week, Blinken said he "made clear that the United States is ready to take action using our own authorities" and that Israel must "take additional measures to protect Palestinian civilians from extremist attacks."
He added that the U.S. would also continue to engage with the Palestinian Authority to stress that it needed "to do more to curb Palestinian attacks against Israelis."
-ABC News' Shannon K. Crawford
