A total of 24 hostages were freed by Hamas in the Gaza Strip on Friday as part of a temporary truce with Israel, ABC News has learned.

The International Committee of the Red Cross, which is facilitating the release and transfer of the hostages, issued a statement confirming "the safe release of 24 hostages."

"We have facilitated this release by transporting them from Gaza to the Rafah border, marking the real-life impact of our role as a neutral intermediary between the parties," the ICRC added.

Qatar, which along with Egypt and the United States mediated the negotiations between Hamas and Israel, also issued a statement from its foreign ministry confirming that the hostages who were released on Friday "include 13 Israeli citizens, some of whom are dual citizens, in addition to 10 Thai citizens and one Filipino citizen."

"We also confirm the release of 39 women and children detained in Israeli prisons accordance with the terms of the first day of the agreement," a spokesperson for the Qatari Ministry of Foreign Affairs said.

Earlier, Thailand said 12 of its nationals held by Hamas were freed on Friday.

All 24 hostages crossed into Egypt from Gaza via the Egyptian-controlled Rafah border crossing. They will be transported to hospitals in Israel, sources told ABC News.

3:50

24 hostages released from Gaza: Red Cross

The International Committee of the Red Cross announced that 24 hostages have been safely released from Hamas custody Friday evening.

-ABC News' Ayat Al-Tawy, Will Gretsky, Jordana Miller and Morgan Winsor

The first group of Israeli hostages released by Hamas in the Gaza Strip are now on Egyptian soil and in the custody of Israeli security services, two sources in the Israeli prime minister's office with direct knowledge of the operation told ABC News on Friday evening.

Israel's emergency medical service, Magen David Adom, also confirmed with the International Committee of the Red Cross, which is facilitating the release and transfer of hostages, that they have crossed into Egypt from Gaza.

-ABC News' Ayat Al-Tawy, Will Gretsky, Jordana Miller and Morgan Winsor

Thailand’s Ministry of Foreign Affairs announced Friday that 12 of its nationals who were held hostage by Hamas in the Gaza Strip have entered Israel.

The 12 Thai hostages crossed into Egypt from Gaza via the Egyptian-controlled Rafah border crossing before being taken to Israel, according to the Thai foreign ministry.

"They are being transported to the processing point at Hatzerim Air Force Base," the ministry said in a statement. "At this time, the gender and names of these Thais are not known."

The Thai nationals will be transferred to Shamir Medical Center southeast of Tel Aviv, where they will be met by Thai embassy officials

"They are required to be under medical supervision for a period of 48 hours, without access to outsiders," the ministry said, adding that it "will do all possible to expedite their return to Thailand."

-ABC News' Will Gretsky and Morgan Winsor

The International Committee of the Red Cross confirmed Friday that its teams have begun "carrying out a multi-day operation to facilitate the release and transfer of hostages held in Gaza and of Palestinian detainees to the West Bank."

The operation, which is taking place during a four-day cease-fire between Hamas and Israel, will also "include the delivery of additional, much-needed humanitarian assistance into Gaza," according to the ICRC.

"In its role as a neutral intermediary, the ICRC over several days will transfer hostages held in Gaza to Israeli authorities and ultimately their families, and transfer Palestinian detainees to authorities in the West Bank, to be reunited with their families," the organization said in a statement. "The ICRC will also bring in additional medical supplies to be delivered to hospitals in Gaza, reinforcing the aid deliveries the ICRC has already carried out."

The ICRC urged both sides in the war to treat all hostages and detainees "with humanity" and to respect "humanitarian principles ... at all times, including during the releases and transfers."

"The parties to the conflict agreed to the details of the operation, including who would be released and when," the organization added. "The ICRC was not involved in the negotiations, and its role is to help facilitate the agreement as a neutral intermediary."

-ABC News' Will Gretsky and Morgan Winsor