Israel-Gaza updates: Israeli forces preparing for 'wide range of offensive plans'
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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Latest headlines:
- At least 500 killed in explosion at Gaza hospital: Gaza Health Ministry
- IDF preparing to implement 'wide range of offensive plans'
- 3,000 tons of aid with nowhere to go as Gaza-Egypt border remains closed
- Biden to visit Israel
- Hostages suffering from amputated limbs, severe injuries from rape: Israeli forum
Timeline: The Hamas attack and response
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.
Click here for the full timeline
Sen. Cory Booker was in Jerusalem during Hamas attack, sheltered for safety
New Jersey Sen. Cory Booker arrived in Israel on Friday for several days of planned meetings and was in Jerusalem when the attacks began, Maya Krishna-Rogers, a spokesperson, said in a statement Sunday.
He sheltered in place with his staff and safely departed the country earlier Sunday, according to the statement.
Booker was in Israel for "planned meetings and site visits ahead of the start of an Abraham Accords-focused N7 summit on regional economic integration in Tel Aviv, at which he was scheduled to speak on Tuesday," the statement read.
-ABC News' Mariam Khan
20,000 Palestinians sheltering in schools: UN agency
The U.N. agency for Palestinian Refugees said more than 20,000 people are sheltering in schools around Gaza.
-ABC News' Joe Simonetti
IDF evacuating Israelis from towns near Gaza border
The IDF said it's evacuating Israeli civilians from at least two dozen towns along the Gaza border within the next 24 hours.
-ABC News' Joe Simonetti
Pentagon: US will 'rapidly' send munitions to Israel
The U.S. is sending a carrier strike group to the eastern Mediterranean to bolster deterrence in the region and "will be rapidly providing the Israel Defense Forces with additional equipment and resources, including munitions," according to a statement from Defense Secretary Lloyd Austin on Sunday.
"Today, in response to this Hamas attack on Israel, and following detailed discussions with President Biden, I have directed several steps to strengthen Department of Defense posture in the region to bolster regional deterrence efforts," he said.
The U.S. materiel support will begin shipping today and will arrive in the coming days, according to Austin.
The strike group will include the USS Gerald R. Ford aircraft carrier, the guided-missile cruiser USS Normandy and four guided-missile destroyers -- the USS Thomas Hudner, USS Ramage, USS Carney and USS Roosevelt, Austin said.
The U.S. will also boost its F-35, F-15, F-16 and A-10 fighter squadrons in the region, according to the defense secretary.
"The U.S. maintains ready forces globally to further reinforce this deterrence posture if required," he said.
-ABC News' Matt Seyler
20K US citizens contact State Dept. for help amid conflict: Officials
As the Biden administration intensifies efforts to help American nationals leave Israel and Gaza, more than 20,000 U.S. citizens have reached out to the State Department asking for help in the wake of the Hamas attacks, including several hundred seeking to leave Gaza, according to two U.S. officials.
While not all have actively sought assistance with transportation, "many thousands" across Israel have indicated they needed help finding flights out of the country, the officials said.
Government-chartered planes have now started to ferry U.S. citizens from Israel to other countries in the region, though one official said the State Department still cannot share a detailed breakdown on the number of Americans whose departure it has already facilitated or the number of Americans still waiting for help "given this is an unfolding situation."
For Americans in Gaza, the U.S. is still eyeing the Rafah border crossing between Gaza and Egypt as a means of safe passage. Officials say they are very hopeful they will be able to work with Israel and Egypt to establish a corridor for U.S. citizens and other foreign nationals, but that it could take days to make substantial progress.
The Israeli government estimated that between 100 to 130 Americans were living in Gaza earlier this year. An official says the State Department believes hundreds more are visiting -- putting the total number in Gaza potentially between 500 and 600.
The State Department estimates that roughly 500,000 American citizens reside in Israel.
-ABC News' Shannon K. Crawford