U.S. President Donald Trump said Tuesday that allied nations in the Middle East were prepared to send troops into Gaza to confront Hamas if the group did not cease its alleged violations of his peace plan.

"Numerous of our NOW GREAT ALLIES in the Middle East, and areas surrounding the Middle East, have explicitly and strongly, with great enthusiasm, informed me that they would welcome the opportunity, at my request, to go into GAZA with a heavy force and 'straighten our (sic) Hamas' if Hamas continues to act badly, in violation of their agreement with us," Trump posted on his Truth Social platform.

President Recep Tayyip Erdogan was due in Doha late Tuesday as Ankara seeks to acquire some of Qatar's used Eurofighter Typhoon jets, a Turkish security source told AFP.

The Red Cross said it facilitated on Tuesday the transfer of 15 Palestinian bodies from Israel to Gaza as part of a US-brokered ceasefire deal, taking the total handed over to 165.

"The International Committee of the Red Cross (ICRC) today facilitated the transfer of deceased Palestinians to authorities in Gaza.... Local health authorities in Gaza have confirmed the number of deceased received today is 15," the Red Cross said in a statement.

U.S. Vice President JD Vance arrived in Israel on Tuesday to shore up the fragile U.S.-brokered ceasefire in Gaza that has teetered over the past few days following a burst of deadly violence and questions over how to move forward with the plan for cementing a long-term peace.

Also Tuesday, Israel said it has identified the body of a hostage that was released by Palestinian militants overnight, while the chief Hamas negotiator said the group remains determined to implement the ceasefire agreement to end the two-year war.

Egypt's intelligence head Hassan Rashad will travel to Israel on Tuesday for a series of meetings with Israeli officials aimed at reinforcing a fragile U.S.-backed ceasefire in Gaza, state-linked media reported.

The Egyptian spy chief will also meet with U.S. Middle East envoy Steve Witkoff, who is currently in Israel, Extra News reported.

Israel said on Tuesday it had identified the body of a hostage that was released by Palestinian militants overnight, while the militant group's chief negotiator said Hamas is determined to implement the ceasefire agreement with Israel.

The United Nations said Monday that its international staff held by Yemen's Houthi rebels after a raid on its Sanaa compound were now free to move inside and all five national staff released.

The European Union is leaving the door open to sanctioning Israel to maintain leverage to ensure the Gaza ceasefire deal is fully implemented, the bloc's foreign policy chief said Monday.

The management of the Louvre museum denied on Monday having contacted a private Israeli intel firm to investigate the weekend's audacious jewel heist at the iconic French institution.

Hamas's armed wing said it would return on Monday the body of a hostage recovered the day before as part of a ceasefire deal with Israel.