U.K. Prime Minister Rishi Sunak spoke on the phone with Israeli Prime Minister Benjamin Netanyahu on Tuesday. While Netanyahu thanked Sunak for the U.K.'s support to counter Iran's weekend attack on Israel, Sunak also had harsh words for Netanyahu about the deepening humanitarian crisis in Gaza.

"On Gaza, the Prime Minister said he remained gravely concerned about the deepening humanitarian crisis," a Downing Street spokesperson said. "The U.K. wanted to see a massive step change in aid access to flood Gaza with vital supplies, including Israel opening up new aid routes as quickly as possible. The Prime Minister said it was deeply disappointing that Hamas blocked a deal at the weekend that would have saved Palestinian lives and secured the safe release of hostages."

Prime Minister Benjamin Netanyahu's war cabinet met for the third day in a row on Tuesday to consider an Israeli response to Iran's weekend attack.

But Tuesday’s meeting ended with no final decision made about an Israeli response, according to an Israeli source with knowledge of the meeting. A variety of options are still being considered, the source said.

Iranian Foreign Minister Hossein Amir-Abdollahian told Chinese Foreign Minister Wang Yi on a call that "Iran is willing to exercise restraint and has no intention of further escalating the situation," according to the Chinese foreign ministry’s readout of the conversation.

Over 10,000 women have been killed in Gaza during the war, according to a report from UN Women, the United Nations’ entity for gender equality and women's empowerment.

Out of those 10,000 women, 6,000 were mothers, who have left behind 19,000 orphaned children, according to the report.

-ABC News’ Kori Skillman

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