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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Lufthansa is suspending flights to and from Beirut, Lebanon, "due to the current situation in the Middle East," the airline said in a statement on Friday.
Lufthansa and Eurowings flights to the region will be suspended through Oct. 16.
At least 32 members of Congress wrote a letter to the CEOs of American Airlines, Delta Air Lines and United Airlines urging them "to resume flights as soon as possible to Tel Aviv and keep your operations flexible to assist with bringing Americans home and moving innocent civilians out of harm's way."
While U.S.-based airlines have stopped flights to and from Tel Aviv, they have been working with the U.S. government to bolster their operations in Europe to help get fleeing Americans home after they land in European cities.
The lawmakers wrote that certain "barriers" to resuming operations "may seem too complex or too difficult, but as long as there are Americans in need and a way to operate safely -- we must try."
-ABC News' Ben Gittleson
When a reporter on Friday asked President Joe Biden what worries him about a potential Israeli ground invasion into Gaza, Biden responded, "Death."
UN Secretary-General António Guterres warned earlier Friday that Israel’s call for more than 1 million people to evacuate northern Gaza "is extremely dangerous, and in some cases, simply not possible."
He warned that "hospitals in the south of Gaza are already at capacity and will not be able to accept thousands of new patients from the north."
"The health system is on the brink of collapse; morgues are overflowing," Guterres said at the UN headquarters in New York. "The entire territory faces a water crisis, its infrastructure has been damaged, and there is no electricity to power pumps and desalinization plants."
Israeli forces have postponed the demand to evacuate Gaza's Al Awda Hospital until 6 a.m. local time.
-ABC News' Ben Gittleson and Mary Bruce
While the U.S. and Israel have been coordinating efforts to lessen civilian casualties in Gaza, Israel did not give the U.S. a heads-up on Israel's mass evacuation order for northern Gaza, according to a US official.
"Of course, we're concerned about any additional loss of innocent human life," said John Kirby, spokesperson for the National Security Council.
"We are working very aggressively with the Israelis and the Egyptians to try to find a safe passage out of southern Gaza," he said.
-ABC News' Mary Bruce, Shannon Crawford and Justin Fishel
