ISLAMABAD, PAKISTAN - APRIL 11: U.S. Vice President JD Vance (C) shakes hands with Pakistan's Chief of Defence Forces and Chief of Army Staff Field Marshall Asim Munir (L), as Charge d'Affaires of the U.S. Embassy in Islamabad Natalie A. Baker (2L), and Pakistani Deputy Prime Minister and Foreign Minister Mohammad Ishaq Dar (R) look on, after arriving for talks with Iranian officials on April 11, 2026 at Islamabad, Pakistan. The proposed meeting marks a rare direct engagement between senior U.S. and Iranian officials, as Washington and Tehran seek to advance stalled negotiations over Iran's nuclear programme, with Pakistan serving as neutral ground amid persistent tensions between the two countries. (Photo by Jacquelyn Martin - Pool/Getty Images)

ISLAMABAD, PAKISTAN - APRIL 11: U.S. Vice President JD Vance (C) walks with Pakistan's Chief of Defence Forces and Chief of Army Staff Field Marshall Asim Munir (L), and Pakistani Deputy Prime Minister and Foreign Minister Mohammad Ishaq Dar after arriving for talks with Iranian officials on April 11, 2026 at Islamabad, Pakistan. The proposed meeting marks a rare direct engagement between senior U.S. and Iranian officials, as Washington and Tehran seek to advance stalled negotiations over Iran's nuclear programme, with Pakistan serving as neutral ground amid persistent tensions between the two countries. (Photo by Jacquelyn Martin - Pool/Getty Images)

ISLAMABAD, PAKISTAN - APRIL 11: U.S. Vice President JD Vance (2R), Steve Witkoff (L), Special Envoy for Peace Missions, and Jared Kushner (2L) arrive for talks with Iranian officials on April 11, 2026 at Islamabad, Pakistan. The proposed meeting marks a rare direct engagement between senior U.S. and Iranian officials, as Washington and Tehran seek to advance stalled negotiations over Iran's nuclear programme, with Pakistan serving as neutral ground amid persistent tensions between the two countries. (Photo by Jacquelyn Martin - Pool/Getty Images)

ISLAMABAD, PAKISTAN - APRIL 11: U.S. Vice President JD Vance (3R) and Jared Kushner (L) arrive for talks with Iranian officials on April 11, 2026 at Islamabad, Pakistan. The proposed meeting marks a rare direct engagement between senior U.S. and Iranian officials, as Washington and Tehran seek to advance stalled negotiations over Iran's nuclear programme, with Pakistan serving as neutral ground amid persistent tensions between the two countries. (Photo by Jacquelyn Martin - Pool/Getty Images)

ISLAMABAD, PAKISTAN - APRIL 11: U.S. Vice President JD Vance (C) arrives for talks with Iranian officials on April 11, 2026 at Islamabad, Pakistan. The proposed meeting marks a rare direct engagement between senior U.S. and Iranian officials, as Washington and Tehran seek to advance stalled negotiations over Iran's nuclear programme, with Pakistan serving as neutral ground amid persistent tensions between the two countries. (Photo by Jacquelyn Martin - Pool/Getty Images)

ISLAMABAD, PAKISTAN - APRIL 11: U.S. Vice President JD Vance (C) is introduced to a Pakistani official by Pakistani Deputy Prime Minister and Foreign Minister Mohammad Ishaq Dar (R), as Pakistan's Chief of Defence Forces and Chief of Army Staff Field Marshall Asim Munir (L) looks on after arriving for talks with Iranian officials on April 11, 2026 at Islamabad, Pakistan. The proposed meeting marks a rare direct engagement between senior U.S. and Iranian officials, as Washington and Tehran seek to advance stalled negotiations over Iran's nuclear programme, with Pakistan serving as neutral ground amid persistent tensions between the two countries. (Photo by Jacquelyn Martin - Pool/Getty Images)

ISLAMABAD, PAKISTAN - APRIL 11: U.S. Vice President JD Vance (2R) talks with Pakistan's Chief of Defence Forces and Chief of Army Staff Field Marshall Asim Munir (L), Pakistan's Interior Minister Mohsin Raza Naqvi (C), and Pakistani Deputy Prime Minister and Foreign Minister Mohammad Ishaq Dar after arriving for talks with Iranian officials on April 11, 2026 at Islamabad, Pakistan. The proposed meeting marks a rare direct engagement between senior U.S. and Iranian officials, as Washington and Tehran seek to advance stalled negotiations over Iran's nuclear programme, with Pakistan serving as neutral ground amid persistent tensions between the two countries. (Photo by Jacquelyn Martin - Pool/Getty Images)

ISLAMABAD, PAKISTAN - APRIL 11: U.S. Vice President JD Vance gestures as he disembarks from Air Force Two after arriving for talks with Iranian officials on April 11, 2026 at Islamabad, Pakistan. The proposed meeting marks a rare direct engagement between senior U.S. and Iranian officials, as Washington and Tehran seek to advance stalled negotiations over Iran's nuclear programme, with Pakistan serving as neutral ground amid persistent tensions between the two countries. (Photo by Jacquelyn Martin - Pool/Getty Images)