A man holds the flag of Luxembourg and a placard as he demonstrates outside a meeting of EU foreign ministers at the European Council building in Luxembourg, Tuesday, April 21, 2026. (AP Photo/Virginia Mayo)

Lebanon's Prime Minister Nawaf Salam arrives for a meeting of EU foreign ministers at the European Council building in Luxembourg, Tuesday, April 21, 2026. (AP Photo/Virginia Mayo)

Ireland's Foreign Minister Helen McEntee speaks with the media as she arrives for a meeting of EU foreign ministers at the European Council building in Luxembourg, Tuesday, April 21, 2026. (AP Photo/Virginia Mayo)

European Union foreign policy chief Kaja Kallas arrives for a meeting of EU foreign ministers at the European Council building in Luxembourg, Tuesday, April 21, 2026. (AP Photo/Virginia Mayo)

Police officers stand guard at a checkpoint on a barricaded to ensure security ahead of the second round of negotiations between the U.S. and Iran, in Islamabad, Pakistan, Tuesday, April 21, 2026. (AP Photo/Anjum Naveed)

A woman talks on her cellphone as she walks past a billboard showing Rais Ali Delvari, a national hero in an early 1900 uprising against British forces in southern Iran in the Persian Gulf, right, and the late Revolutionary Guard's navy chief Alireza Tangsiri, who was killed in the U.S.-Israeli strike in late March 2026, commanding the closure of the Strait of Hormuz, on a building at a square in downtown Tehran, Iran, Monday, April 20, 2026. (AP Photo/Vahid Salemi)

Paramilitary soldiers patrol to ensure security ahead of the second round of talk between the U.S. and Iran, in Islamabad, Pakistan, Tuesday, April 21, 2026. (AP Photo/Anjum Naveed)

Police officers stand guard at a checkpoint ahead of the second round of negotiations between the U.S. and Iran, in Islamabad, Pakistan, Tuesday, April 21, 2026. (AP Photo/Anjum Naveed)