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"I am sending Israel everything it needs to finish the job, not a single Hamas member will be safe if you don’t do as I say," Trump said.

The U.S. Special Presidential Envoy for Hostage Affairs said Sunday that he was "cautiously optimistic" after his meeting with Hamas that hostages still being held in Gaza would be released.

The president’s threat came after the White House said it held face-to-face talks with the militant group.

US President Donald Trump issued what he said was a “last warning” to Hamas to release all of the hostages in Gaza immediately – in a move that came just hours after the White House confirmed it was negotiating directly with the militant group.

U.S. President Donald Trump asked Hamas militants to immediately release all hostages held in Gaza in what he called his "last warning" to them while also urging the group's leadership to leave the Palestinian enclave.

President Trump’s Middle East envoy floated the threat of joint U.S.-Israel action against Hamas if the terrorist group didn’t release all hostages from Gaza. “I think there’s going to be some action taken” if Hamas fails to surrender its hostages,

Trump's special envoy said gaining the release of Edan Alexander, believed to be the last living American hostage held by Hamas, was a "top priority."

President Donald Trump's hostage envoy Adam Boehler's direct meetings with Palestinian militant group Hamas on the release of hostages in Gaza was a "one-off situation" and as of now "hasn't borne fruit,