President Joe Biden said Liat Beinin Atzili, an American-Israeli dual national who was one of 16 hostages released from Gaza on Wednesday, is "safe" in Egypt and that he has spoken to her parents.

"I've got some very good news to report. Liat Beinin is safe in Egypt. She's crossed the border," Biden told reporters as he was boarding Air Force One in Pueblo, Colorado.

"I talked with her mother and father and they're very appreciative and things are moving well," Biden said. "She'll soon be home with her three children. That's all I have to say for right now."

The president did not respond when asked for an update on other Americans who might be released.

-ABC News' Selina Wang

Sixteen hostages were released from Gaza on Wednesday.

Ten hostages were released in exchange for 30 Palestinian prisoners, according to the Qatari foreign minister, just before the truce was set to expire.

Among the 10 hostages exchanged for the Palestinian prisoners was 49-year-old Liat Beinin Atzili, an American-Israeli dual national.

The other released Israeli hostages were: 13-year-old Gali Tarshanksy, 17-year-old Ofir Engel, 54-year-old Raaya Rotem, 57-year-old Raz Ben Ami, 36-year-old Yarden Roman, 16-year-old Amit Shani, 18-year-old Itay Regev, 40-year-old Stela Yanai and 18-year-old Liam Or.

In addition, two Russian-Israeli citizens and four Thai citizens were also handed over to the Red Cross outside the framework of the agreement, the Qatari foreign minister said.

According to officials, 145 people remain hostages.

Ambassador Linda Thomas-Greenfield, the U.S. representative to the United Nations, said the U.S. is "hopeful" that the truce between Israel and Hamas -- set to expire Wednesday night -- will be extended.

Another extension "is all in the hands of Hamas," she said. "The Israelis have said if they continue to release 10 hostages a day, they will extend by a day. So it truly is … it is in their hands. But I do think there is a potential for that, and we're actively working to extend the deal."

"We will not rest until all hostages are free," she continued. "And if Hamas chooses to continue to release hostages, then Israel is prepared to continue the pause in the fighting."

Dania Hanatsheh's name is on a list of 30 Palestinian women, girls and teenage boys expected to be released Wednesday as part of another exchange of Israeli hostages held by Hamas.

The family said Hanatsheh, 21, was arrested on Nov. 21 when Israeli soldiers raided their home in the West Bank.

The Israeli Justice Department said Hantsheh is accused of "supporting terrorism."

Hantsheh's father, Saqer, believes his daughter was arrested because of her social media posts.

"I am proud of my daughter," he told ABC News. "When she posted asking people to stand with Gaza, I support her with that because it's her right to do that."

He said he's looking forward to "hugging my daughter again."

But his happiness is tinged with sadness for the suffering in Gaza.

"The prisoners are getting released, but the price of this is the blood of women and kids in Gaza," he said.

-ABC News' Tom Soufi Burridge

Hamas' military wing al-Qassam Brigades alleged Wednesday that three hostages have died as a result of the Israeli military's previous bombings in the Gaza Strip.

In a statement posted on a Telegram channel associated with the al-Qassam Brigades, the slain hostages were identified as Shiri Silverman Bibas, Kfir Bibas and Ariel Bibas. It was unclear when the trio had allegedly died and ABC News was unable to verify the claim.

Several members of the Bibas family, including 32-year-old Shiri, her 4-year-old son Ariel and her 10-month-old son Kfir, were kidnapped from their kibbutz in southern Israel during Hamas' attack on Oct. 7 and taken hostage to Gaza, according to relatives and Israeli authorities.

The Israel Defense Forces confirmed in a statement Wednesday that it is investigating the reports of their deaths.

"IDF representatives spoke with the Bibas family following the recent reports and are with them at this difficult time. The IDF is assessing the accuracy of the information," the IDF said. "Hamas is wholly responsible for the security of all hostages in the Gaza Strip. Hamas must be held accountable."

In a statement obtained by ABC News, the Bibas family said Wednesday that they are "updated on the latest Hamas publication."

"We are waiting for the news to be confirmed or hopefully refuted soon by military officials," the family added. "We thank the people of Israel for the warm embrace but ask to maintain our privacy at this complex time."

-ABC News' Ayat Al-Tawy, Anna Brund, Jordana Miller, Dana Savir and Morgan Winsor