The UN agency for Palestinian refugees says that if Israel carries out its threat to close its east Jerusalem headquarters on Thursday, the outsize effects will be felt acutely and immediately by tens of thousands of Palestinians.

The directive came in a letter to the U.N., after the Israeli Parliament banned the relief agency that has aided Palestinian refugees for decades.

Israel demands UNRWA halt operations in Jerusalem by January 30, citing Hamas ties and security risks. The move follows Knesset legislation severing ties with the agency.

The United Nation's Palestinian refugee agency said on Sunday it had been ordered by Israel to vacate premises and cease all of its operations in occupied East Jerusalem by Thursday.

Israeli troops have pulled back to the edges of Gaza, the first hostages have been released and many Palestinians have returned to what remains of their homes in the first few days of the Israel-Hamas ceasefire deal.

Hamas gunmen are guarding aid convoys in Gaza, and its police patrol city streets, sending a clear message: Hamas remains in charge.

The IDF recently completed a major raid at the Kamal Adwan Hospital in the northern Gaza Strip, arresting some 240 terrorists. Fox News Digital has learned that hostages were reportedly held there.

Outlawing the U.N. agency is “a direct response to the widespread infiltration of UNRWA’s ranks by Hamas,” Ambassador Danny Danon said.

Rep. Elise Stefanik accused the United Nations of fostering "antisemitic rot," setting the stage for what could be an increasingly antagonistic relationship.

President Donald Trump said he wanted Jordan and Egypt to take in more Palestinians from Gaza so they could "maybe live in peace" there.

EXCLUSIVE: Experts painted a bleak picture of the near-total destruction of Gaza from the Israel-Hamas war and detailed how its reconstruction could play out.