The meeting comes amid Iran's missile and drone attack on Israel, which saw several allies assist the Jewish State in downing several threats.
European Union foreign policy chief Josep Borrell condemned the attack, stating in a post on X that it was an “unprecedented escalation and a grave threat to regional security.”
"Biden has been clear: The United States will stand with the people of Israel and support their defense against these threats from Iran,' US National Security Council spokeswoman stated.
"When producing a nuclear bomb, you make a device where the chain reaction is not controlled, so it is much easier. The important point is that our nuclear capabilities are high.”
"We want to stop the humanitarian disaster in Gaza and help kickstart a political peace process leading to the realization of the two-state solution as early as possible," a spokeswoman said.
Earlier on Saturday, the hostages' families met with New York City Mayor Eric Adams at an event coordinated by COJO, an Orthodox organization based in Brooklyn.
It has been considered a de-facto form of statehood recognition, which allows the PA to participate in many UN forums and ratify treaties and statutes.
Guterres added that he condemns "the use of sexual violence, torture, injuring, and kidnapping of civilians, the firing of rockets towards civilian targets, and the use of human shields.
The meeting was attended by representatives of the hostages' families: Neutra, Chen, Shtivi, Shem-Tov (Ruben), Lifshitz, Miran (Lavi), and Sharaabi.
Guterres also said he was "deeply troubled" by reports that the Israeli military has been using artificial intelligence to help identify bombing targets in Gaza.