The temporary cease-fire between Hamas and Israel ended early Friday, 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.
Twelve hostages are back in Israeli territory in the latest exchange, according to the Israeli government.
The hostages include 10 Israelis and two foreign nationals, both from Thailand, officials said.
The Israeli citizens were identified as Tamar Metzger, 78; Ditza Hayman, 84; Norlin Babdila, 60; Ada Sagi, 75; Ophelia Edith Roitman, 77; Rimon Kirsht, 36; Merav Tal, 53; and the Leimberg family -- Gabriella Leimberg, 59, Mia Leimberg, 17, and Clara Marman, 63.
The IDF said the hostages were taken through Egypt before heading to a meeting point in Kerem Shalom, in Israel.
Five of the women -- Metzger, Hayman, Ada Sagi, Roitman and Tal -- were residents of Kibbutz Nir Oz, one of the communities hit hardest by Hamas' Oct. 7 attack.
"They were held captive, in harsh conditions and deprived of essential medical care. Two of the women released have been separated from their husbands, who remain in captivity," the kibbutz said in a statement. "The Nir Oz community is committed to support them, and their families, through the long recovery process ahead."
Thirty Palestinian prisoners were released in exchange for the hostages, according to Qatari officials.
-ABC News' Will Gretsky
Over 600 foreign passport holders -- nearly half of whom are Americans and Canadians -- were on a list of people approved to leave Gaza on Sunday. Some 566 foreign passport holders, whose nationalities were not released, later exited the Gaza Strip through Egypt’s Rafah border crossing on Sunday, crossing spokesman Wael Abu Omar told ABC News.
Thirteen wounded Gaza residents and 11 of their family members also left Gaza and entered Egypt on Sunday, the spokesman said.
-ABC News' Ayat Al-Tawy
The Israel Defense Forces has started a ground operation in southern Gaza that "will be no less powerful than" the operations in northern Gaza, IDF Chief of Staff Lt. Gen. Herzi Halevi said.
"We have the capabilities to do it in the most thorough way, and just as we did it with strength and thoroughly in the north of the Gaza Strip, we are also doing it now in the south of the Gaza Strip, and we also continue to deepen the achievements in the north of the Gaza Strip," Halevi said.
The IDF said it's carried out 10,000 airstrikes in the Gaza Strip since fighting began.
"The forces ‘closed circles’ and thwarted terror cells, terror infrastructure, operational apartments, tunnel shafts, weapons warehouses and more,” the IDF said in a statement.
-ABC News' Dana Savir
With the temporary Israel-Hamas cease-fire now over, National Security Council spokesman John Kirby told ABC News' "This Week" that the U.S. is "working at this literally by the hour … if we can get these discussions back going" to get a new pause in place.
Kirby said the Israel-Hamas agreement "fell apart because Hamas was unwilling and refused to come with additional [hostage] lists of women and children -- which we know they are holding -- and put them on the list so that Israel can evaluate that and we can get them exchanged."
Kirby said the U.S. thinks "about eight" Americans remain hostage.
He added, "We don’t have perfect visibility on where they all are, we certainly don’t have perfect visibility on their physical or mental condition."
When asked Sunday about The New York Times report alleging Israel knew about Hamas' attack plan a year in advance, Kirby said the U.S. had no knowledge of the Hamas planning document.
He added, "The focus has got to be on making sure Israel has what it needs to go after Hamas leadership."
The United Nations said 138,000 liters of fuel entered Gaza on Saturday -- the highest amount in one day since the Israel-Hamas war began.
Trucks with food, water, medicine and medical supplies also entered Gaza on Saturday, according to the U.N. Office for the Coordination of Humanitarian Affairs.
Twelve hostages are back in Israeli territory in the latest exchange, according to the Israeli government.
The hostages include 10 Israelis and two foreign nationals, both from Thailand, officials said.
The Israeli citizens were identified as Tamar Metzger, 78; Ditza Hayman, 84; Norlin Babdila, 60; Ada Sagi, 75; Ophelia Edith Roitman, 77; Rimon Kirsht, 36; Merav Tal, 53; and the Leimberg family -- Gabriella Leimberg, 59, Mia Leimberg, 17, and Clara Marman, 63.
The IDF said the hostages were taken through Egypt before heading to a meeting point in Kerem Shalom, in Israel.
Five of the women -- Metzger, Hayman, Ada Sagi, Roitman and Tal -- were residents of Kibbutz Nir Oz, one of the communities hit hardest by Hamas' Oct. 7 attack.
"They were held captive, in harsh conditions and deprived of essential medical care. Two of the women released have been separated from their husbands, who remain in captivity," the kibbutz said in a statement. "The Nir Oz community is committed to support them, and their families, through the long recovery process ahead."
Thirty Palestinian prisoners were released in exchange for the hostages, according to Qatari officials.
-ABC News' Will Gretsky