The European Union has sanctioned three terrorist group wings for "widespread sexual and gender-based violence" that occurred in Israel on Oct. 7, the EU Council said.

The sanctioned entities are the Al-Quds Brigades, the armed wing of the Palestinian Islamic Jihad; Nukhba Force, a Hamas special forces unit; and the Qassam Brigades, Hamas' military wing. The Palestinian Islamic Jihad and Hamas are designated as terrorist organizations by the EU.

"Those listed under the sanctions regime are subject to an asset freeze, and the provision of funds or economic resources, directly or indirectly, to them or for their benefit, is prohibited," the EU Council said.

The World Health Organization described the destruction in Khan Younis as "disproportionate to anything one can imagine."

Nasser Medical Complex -- once the "backbone" of the health system in southern Gaza -- Al-Amal and Al-Khair hospitals are "non-functional," according to WHO Director-General Tedros Adhanom Ghebreyesus.

"These facilities have no oxygen supply, water, electricity or sewage system," he said Thursday on X, a day after WHO team members and partners went to Khan Younis to assess health facilities following the withdrawal of Israeli troops from the city.

Jordanian Field Hospital was found to be "minimally operational," he said.

"The once robust health system in Gaza is broken," Ghebreyesus said. "WHO and partners stand ready to support reconstruction and rehabilitation efforts, but we need a ceasefire. Nothing else can bring a lasting and humane outcome."

Israeli military spokesman Rear Adm. Daniel Hagari told reporters Thursday that Israel is constructing a new land crossing from Israel into northern Gaza to facilitate more aid deliveries.

The Erez crossing, a key pedestrian crossing that was destroyed by Hamas on Oct. 7, will remain closed.

Last week, Israeli Prime Minister Benjamin Netanyahu said he would reopen the crossing for aid after speaking with President Joe Biden following the deaths of seven World Central Kitchen workers by an Israeli airstrike.

Although the timetable for the opening of the new land crossing wasn't revealed, Hagari said it would be located near the Erez crossing but not in the exact same spot.

Hagari said he expected 58 trucks would pass through the new crossing daily.

-ABC News' Will Gretsky

Following USAID Administrator Samantha Power acknowledging that famine is happening in northern Gaza, the White House was pressed Thursday on whether this could have been prevented if they had pressured Israeli Prime Minister Benjamin Netanyahu sooner to increase deliveries of humanitarian aid.

The U.S. has often called on Israel to open more crossings and allow for more aid to reach Gaza, but it wasn't until last week when President Joe Biden told Netanyahu that U.S. policy on Gaza hinges on Israel announcing and implementing measurable steps to address civilian harm, humanitarian suffering and the safety of aid workers.

"Every time the president has spoken to the prime minister there's -- part of that conversation has been to do more humanitarian aid," White House press secretary Karine Jean-Pierre said when asked if it was a mistake not to push Netanyahu to open the Ashdod port and Erez crossing sooner to help prevent famine.

She was asked specifically who is to blame for famine in Gaza, but she didn't attribute it to anyone, instead saying the focus is going to be on getting aid in.

"The humanitarian situation in Gaza, obviously, is dire. And that is why the president is doing everything that he can to get more humanitarian aid in," she said. "And that's what our focus is going to be."

-ABC News' Justin R. Gomez

The U.S. is sanctioning two groups and 16 people it says enabled Iran's drone production following Iran's attack on Israel last weekend.

"Today, in coordination with the United Kingdom and in consultation with partners and allies, we are taking swift and decisive action to respond to Iran’s unprecedented attack on Israel," Treasury Secretary Janet Yellen said. "We’re using Treasury’s economic tools to degrade and disrupt key aspects of Iran’s malign activity, including its UAV program and the revenue the regime generates to support its terrorism."

The Treasury Department said it’s sanctioning Khuzestan Steel Company, Iran's largest steel producer. The Treasury Department said Iran's metals sector generates "several billion dollars in revenue annually."

The U.S. is also targeting the Iranian carmaker Bahman Group for its role in making vehicles used by the Islamic Revolutionary Guard Corps for military operations.

The sanctions also target people who work for Iran-based drone manufacturers, including executives of the Mado Company, which the U.S. says produced drone engines used in Iran's Shahed UAVs. The U.S. also sanctioned members of the IRGC who it says help supply proxy groups, like the Houthis in Yemen, with drones that have attacked U.S. service members in the Red Sea.

Yellen added that the U.S. would "continue to deploy" sanctions to counter any further action by Iran, with the goal of making it harder and more expensive for Iran to undertake destabilizing actions.

President Joe Biden said in a statement that these sanctions are "holding Iran accountable."

Biden emphasized that the sanctions are in coordination with the international community, and he said the other G7 countries are committed to increasing "economic pressure" on Iran alongside the U.S.

Biden said he has instructed his team to continue to impose sanctions that will degrade Iran's military capabilities.

Biden also reiterated his ironclad support for Israel, and issued a warning to Iran and those who "enable" Iran's attacks.

"We are committed to the security of our personnel and partners in the region," Biden said. "And we will not hesitate to take all necessary action to hold you accountable."

-ABC News’ Michelle Stoddart and Justin Gomez