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."

Click here for the latest updates.


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


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US discussing whether to send 2nd carrier to eastern Mediterranean

United States officials are discussing whether a second U.S. aircraft carrier should be deployed to the eastern Mediterranean in the wake of the Israel-Hamas crisis, two U.S. officials confirmed.

The USS Dwight Eisenhower was previously scheduled to depart Norfolk, Virginia, later this week for the Middle East, via the Mediterranean Sea.

Officials must decide whether it will now remain in the Mediterranean and head to the east to join the USS Gerald R. Ford aircraft carrier -- which was deployed on Sunday -- or whether it will relieve the Ford.

Either way, the Eisenhower will soon be in the Mediterranean for the previously scheduled transit and a training rotation.

-ABC News' Luis Martinez


IDF calls up over 360,000 reserves

The Israel Defense Forces said it has called up over 360,000 reserves in the wake of Hamas' surprise attack, an increase of 60,000 reserves in one day.


Biden to deliver remarks

President Joe Biden on Tuesday will give an update to the American people on the attacks in Israel as the violent conflict enters its fourth day.

Biden will speak at 1 p.m. ET at the White House, which was lit up in blue and white on Monday evening in a show of support for Israel.


IDF engages with Hezbollah

The Israel Defense Forces said its tanks have now attacked observation posts of the Lebanese militant organization Hezbollah in response to 15 launches carried out from Lebanese territory.


At least 11 Americans killed, more may be among those held by Hamas

At least 11 Americans are among those killed in Israel, President Joe Biden said in a statement.

He added, "While we are still working to confirm, we believe it is likely that American citizens may be among those being held by Hamas."

"American citizens still remain unaccounted for, and we are working with Israeli officials to obtain more information as to their whereabouts," Biden said. "My heart goes out to every family impacted by the horrible events of the past few days. The pain these families have endured, the enormity of their loss, and the agony of those still awaiting information is unfathomable."

"I have directed my team to work with their Israeli counterparts on every aspect of the hostage crisis, including sharing intelligence and deploying experts from across the United States government to consult with and advise Israeli counterparts on hostage recovery efforts," Biden said.