Fighting is ongoing after Hamas launched an attack on Israel on Oct. 7.
At least 1,400 people have died and 3,400 others have been injured in Israel after the militant group Hamas launched an unprecedented incursion from air, land and sea on Oct. 7, Israeli authorities said.
In Gaza, 3,000 people have been killed and another 12,500 were injured, according to the Palestinian Ministry of Health.
Tensions are high with the prospect of ground war and evacuation orders for Gaza after the Israel Defense Forces called for "all residents of Gaza City to evacuate their homes" and "move south for their protection" early Friday, saying residents should move "and settle in the area south of the Gaza River." The announcement was made, according to the IDF, because it plans to "operate significantly in Gaza City in the coming days" and wanted "to avoid harming civilians."
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On the morning of Oct. 7, sirens echoed across Israel as Hamas terrorists began a full-fledged surprise attack from the air, sea and ground. Hundreds of armed Hamas fighters stormed into Israel from Gaza, charging into cities and gunning down citizens.
Israeli forces responded by sending wave after wave of bombs into Gaza, killing thousands, trapping civilians and raising fears of a wider conflict in the Middle East.
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The Israel Defense Forces has mobilized 300,000 reserves -- the largest and quickest call-up in Israel’s history, according to an IDF spokesman.
Gaza's main hospital, Beit Hanoun Hospital, has been damaged and is now out of service after Israeli forces repeatedly targeted the area, according to the Gaza Health Ministry.
A main communication center in Gaza was also destroyed from airstrikes, making it difficult to get internet access or make phone calls.
A 30-year-old Israeli told reporters it was "living hell" when Hamas gunmen opened fire and rockets were unleashed on a music festival in southern Israel, killing hundreds.
"I've been in wars, in two wars in my life, and never seen anything like this. Bodies at all places," the 30-year-old said. "They didn't care if you are a man or a woman, if you are young or an old man."
Festival survivors look back on Hamas attack
At least 260 bodies were removed from the music festival venue, according to an Israeli rescue service.
Another survivor, Elad Hakim, told Reuters in Hebrew that the festival was "the best party I've been to in my life" until it went "from paradise to hell in one second."
"Girls started screaming," Hakim said. "People didn't understand where to go, what to do."
"There were two men on motorcycles on the road … who started spraying us [with bullets] as we drove by," Hakim said. "The vehicles that were behind [us] were left behind."
-ABC News' Will Gretsky
Israel is seeking a resupply of specific weapons from the United States, including artillery rounds, interceptors for its Iron Dome missile defense system and precision-guided munitions, a Biden administration official told congressional leaders on a Sunday night conference call, according to two sources familiar with the call.
More U.S. aid approved by Congress will be critical for Israel's defense in the coming weeks as the conflict continues, the sources said, describing the Biden administration's message to lawmakers.
-ABC News' Ben Siegel
