ISLAMABAD, April 11, 2026 — Pakistan’s capital became the centre of global diplomacy as senior delegations from Washington and Tehran gathered for high-stakes US-Iran peace talks, widely described by analysts as the most consequential negotiations in decades. The meeting followed a Pakistan-brokered truce that halted a devastating six-week conflict and reopened diplomatic channels between long-time adversaries.

The war, which began on February 28, lasted roughly 40 days and involved extensive US-Israeli aerial bombardment of Iranian targets. The conflict resulted in thousands of casualties and pushed shipping through the Strait of Hormuz, a corridor responsible for nearly 20 percent of global oil and gas transit, to the brink of disruption.

The ceasefire, achieved after weeks of quiet diplomacy in which Pakistan mediates ceasefire efforts between the two sides, created the conditions for the US-Iran talks, Islamabad framework.

Prime Minister Shehbaz Sharif described the talks as a decisive moment. “I ask all of you to pray that these talks are successful and countless lives are saved and the world shall see peace,” he said in a televised address, according to The Express Tribune’s report.

Delegations Arrived Amid Global Attention

United States

The United States delegation was led by Vice President JD Vance, marking the first visit by a sitting US vice president to Pakistan since 2011. The delegation also included Middle East Special Envoy Steve Witkoff and Jared Kushner, according to The Express Tribune’s and Bloomberg. Pakistani officials, including Deputy Prime Minister Ishaq Dar and Army Chief Field Marshal Syed Asim Munir, received the delegation at Nur Khan Airbase.

President Trump, speaking from Washington, expressed optimism while simultaneously warning of renewed military action should the talks collapse, saying: “We’re going to find out in about 24 hours.”

Before departure, Vance expressed cautious optimism regarding the US-Iran peace talks. “We’re looking forward to the negotiation. I think it’s going to be positive. If the Iranians are willing to negotiate in good faith, we’re certainly willing to extend the open hand,” he told reporters, according to The Express Tribune.

Iran

Iran’s delegation, led by Parliament Speaker Mohammad Bagher Ghalibaf and Foreign Minister Abbas Araghchi, arrived late on Friday night. Tehran entered the US-Iran talks Islamabad with a firm negotiating position, demanding sanctions relief, access to frozen financial assets, and security guarantees against further military operations, according to Bloomberg and Al Jazeera.

Iran also called for oversight of the Strait of Hormuz, compensation for war damages, and inclusion of Lebanon in any ceasefire arrangement, conditions analysts described as more expansive than those presented before the conflict began. 

Pakistan Mediates Ceasefire and Hosts Negotiations

Pakistan’s emergence as a mediator followed weeks of quiet diplomacy. Islamabad maintained backchannel contacts with Tehran while coordinating with Washington and consulting regional actors, including China, Saudi Arabia, Turkey and Egypt. These efforts helped bring both sides to the negotiating table and shaped the format of the US-Iran peace talks, according to an analysis published by The Friday Times.

Pakistan’s civil-military leadership adopted a layered mediation structure. Prime Minister Sharif provided political authority, Foreign Minister Ishaq Dar managed the diplomatic process, and senior security officials engaged at the strategic level.

Analysts noted that Pakistan mediates ceasefire diplomacy, combining pressure and reassurance. Islamabad warned against escalation while maintaining neutrality, enabling both sides to accept a pause without conceding.

Islamabad Under Tight Security

The US-Iran talks Islamabad were held in Islamabad’s Red Zone, with heavy security deployed across the capital. Roads were sealed, barriers erected, and a dedicated media centre established for international coverage, according to The Express Tribune. Officials indicated negotiations could continue for up to 15 days, beginning with shuttle diplomacy before direct exchanges.

Nuclear Programme at the Core of US-Iran Peace Talks

The nuclear dispute remained the most contentious issue. Washington demanded a permanent halt to uranium enrichment and disposal of Iran’s enriched uranium stockpile, including approximately 460 kilograms of 60 percent enriched material, according to Bloomberg. Tehran rejected a zero-enrichment proposal and insisted on its right to peaceful nuclear development.

Iran argued that any Islamabad Accord must go beyond the 2015 nuclear agreement, which it described as a baseline rather than a ceiling.

The Strait of Hormuz Became Critical Bargaining Point

The Strait of Hormuz emerged as one of the most urgent issues in the US-Iran peace talks. Iran’s effective closure during the conflict disrupted tanker movement and threatened global energy markets, according to Bloomberg. 

Iran proposed long-term oversight of the Strait of Hormuz, while Washington demanded an unconditional reopening, a disagreement that analysts said illustrated the global economic stakes in the negotiations.

Lebanon Crisis Complicated Diplomacy

The situation in Lebanon threatened to derail the talks. Israel launched widespread strikes following the ceasefire, killing more than 300 people in a single day. Iran demanded that Lebanon be included in negotiations, while Washington maintained that the issue fell outside the current ceasefire terms, according to Al Jazeera.

Competing Frameworks

The United States presented a 15-point proposal focusing on the rollback of nuclear activity, missile limits and regional posture adjustments. Iran offered a 10-point plan prioritizing security guarantees, early sanctions relief and preservation of deterrence capabilities, according to Bloomberg.

The sequencing dispute, concessions first versus relief first, remained the biggest obstacle. Diplomats said bridging that gap would determine whether the US-Iran peace talks could produce a lasting Islamabad Accord.

Global Stakes

The US-Iran peace talks represented the highest-level diplomatic engagement between Washington and Tehran since the 1979 Iranian Revolution. A successful Islamabad Accord could reopen global energy flows, stabilise Middle Eastern security architecture and reshape regional geopolitics, according to Bloomberg. Failure risked renewed conflict and volatility in oil markets linked to the Strait of Hormuz.

For Pakistan, the stakes were equally significant. Success would cement Islamabad’s role as a credible global mediator and demonstrate how Pakistan mediates ceasefire diplomacy and influence international outcomes, as reflected in reporting by The Express Tribune and analysis by The Friday Times.

As negotiations unfolded, diplomats acknowledged that diplomacy had entered its most delicate phase. Whether the US-Iran talks Islamabad would yield a durable Islamabad Accord remained uncertain, but the outcome promised far-reaching consequences for regional stability, global energy markets and the future of US-Iran relations.

Global Significance

The Islamabad Talks marked the highest-level engagement between the United States and Iran since the 1979 Islamic Revolution, with implications extending far beyond the two countries.

A successful agreement could reopen global energy flows, stabilise the Middle East, and reshape regional geopolitics. Failure, however, risked renewed conflict, higher energy prices, and wider instability.

For Pakistan, success would strengthen its position as a credible global mediator, while failure would expose the limits of its diplomatic influence. As Prime Minister Shehbaz Sharif said, Pakistan would “put in its best efforts,” but the outcome ultimately rested with Washington and Tehran.

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Bushra Farooq