President Donald Trump signs a security agreement with Denmark's Prime Minister Mette Frederiksen and Greenland's Prime Minister Jens-Frederik Nielsen during the United Nations General Assembly, Tuesday, Sept. 22, 2026, at the UN headquarters. (AP Photo/Julia Demaree Nikhinson)

President Donald Trump shakes hands with Greenland's Prime Minister Jens-Frederik Nielsen, before signing a security agreement during the United Nations General Assembly, Tuesday, Sept. 22, 2026, at the UN headquarters, as Denmark's Prime Minister Mette Frederiksen, center, looks on. (AP Photo/Julia Demaree Nikhinson)

President Donald Trump holds up the document after signing a security agreement with Denmark's Prime Minister Mette Frederiksen and Greenland's Prime Minister Jens-Frederik Nielsen during the United Nations General Assembly, Tuesday, Sept. 22, 2026, at the UN headquarters. (AP Photo/Julia Demaree Nikhinson)

People operate on a destroyed vehicle following an Israeli airstrike in Gaza city, Saturday, Sept. 19, 2026. (AP Photo/Jehad Alshrafi)

UN security officers walking around the United Nations compound at the start of the 81st session of the United Nations General Assembly, Monday, Sept. 21, 2026, at U.N. headquarters. (AP Photo/Stefan Jeremiah)

Flags fly at the United Nations Tuesday, Sept. 22, 2026, at the UN headquarters, as security keeps watch. (AP Photo/Julia Demaree Nikhinson)

FILE - President Donald Trump, left, greets South Korean President Lee Jae Myung upon his arrival at the White House, on Aug. 25, 2025, in Washington. (AP Photo/Alex Brandon, File)

President Donald Trump attends a multilateral meeting with the Gulf Cooperation Council during the United Nations General Assembly, Tuesday, Sept. 22, 2026, at the UN headquarters. (AP Photo/Julia Demaree Nikhinson)