US–Iran peace talks in Pakistan end without deal after marathon negotiations

Lead

After a 21-hour opening round of face-to-face diplomacy in Islamabad, US and Iranian negotiating teams left Pakistan on Sunday without a final agreement to end the weeks-long war. US vice-president JD Vance announced his delegation’s departure, saying Iran declined American terms; Pakistan’s foreign minister Ishaq Dar urged both sides to uphold the ceasefire. The talks were intended to address the strait of Hormuz, nuclear constraints, reparations and sanctions but stalled on core issues. The absence of a breakthrough comes as regional violence — including Israeli strikes in Lebanon and attacks on Gulf energy infrastructure — continues to drive humanitarian and economic damage.

Key takeaways

  • The Islamabad talks ran about 21 hours before the US delegation led by JD Vance departed without a deal.
  • Pakistan’s foreign minister Ishaq Dar called it “imperative” that both sides maintain the ceasefire following the talks.
  • Iranian state media and officials said no single-session agreement was expected and that regional consultations will continue.
  • Lebanon’s health ministry reports more than 2,000 dead and about 6,300 wounded from recent Israeli operations.
  • Saudi Arabia said restoration work recovered the east–west pipeline’s operations after attacks that cost roughly 700,000 barrels per day of pumping capacity.
  • The United States has publicly discussed measures around the Strait of Hormuz, including mine-clearing and naval transits; details remain contested.
  • Diplomatic reactions ranged from disappointment in Canberra and London to calls for renewed negotiations from Islamabad and Tehran.

Background

High-level direct talks between Washington and Tehran mark the most significant bilateral engagement in decades. The Islamabad meetings were convened amid mounting international concern: the conflict has produced large civilian casualties, damaged critical infrastructure in the Gulf and disrupted global energy supplies. The strait of Hormuz — a chokepoint for roughly one fifth of world oil shipments — became a central bargaining chip, with both strategic and economic stakes for regional and global actors.

Pakistan positioned itself as host and mediator, saying it would continue to facilitate dialogue after the first session concluded without a deal. Tehran framed expectations realistically in state media, noting that complex issues such as nuclear constraints, frozen assets and reparations could not be resolved in a single sitting. The US delegation, led publicly by Vice-President Vance, set conditions including Iran’s commitments on non-proliferation and actions in neighbouring theatres.

Main event

The Islamabad meeting opened with intensive bilateral exchanges and separate consultations with regional partners. Negotiators covered a broad agenda: maintaining the ceasefire, reopening the Strait of Hormuz to commercial traffic, the status of Iranian nuclear activity, compensation for wartime damage and sanctions relief. After about 21 hours of talks, the US delegation announced its departure; officials said Iran had not accepted several key US demands.

Pakistan’s foreign minister Ishaq Dar immediately urged continued commitment to the ceasefire, telling reporters it was essential that both parties uphold their pledges. Iranian officials, and state media, framed the outcome as predictable given the complexity of the agenda and signalled that consultations with Pakistan and other regional allies would continue. US spokespeople emphasised that negotiators had explored options but could not secure Tehran’s agreement to specific US conditions.

On the ground, hostilities and strategic manoeuvres carried on. Israeli operations in southern Lebanon have produced widespread destruction and civilian casualties; monitoring organisations and local health authorities report more than 2,000 dead and about 6,300 wounded. Saudi authorities reported that attacks on Gulf energy infrastructure had reduced east–west pipeline pumping by roughly 700,000 barrels per day before recovery work began.

Analysis & implications

The failure to conclude a deal in Islamabad raises immediate risks of renewed escalation. Diplomacy can be iterative, but each aborted session shortens the political runway for cooling tensions. If ceasefire commitments fray, combatants on multiple fronts may resume offensive operations, increasing civilian harm and prompting further displacement and infrastructure damage in Lebanon, Gaza and other contested areas.

Economically, interruptions to the Strait of Hormuz and strikes on Gulf energy facilities have direct global consequences. The reported temporary loss of 700,000 barrels per day through Saudi pipeline pumping illustrates how quickly supply-side shocks can reprice markets and affect energy-dependent economies. Prolonged instability would sustain upward pressure on fuel prices and exacerbate inflationary effects worldwide.

Strategically, the breakdown highlights sharp gaps between US expectations — including concrete non-proliferation assurances — and Tehran’s demands on sanctions relief, reparations and guarantees over regional theatre activity. Regional actors such as Israel and Saudi Arabia maintain divergent priorities: Israel focuses on neutralising perceived threats from Hezbollah and Iran, while Gulf states prioritise the restoration and security of energy flows. These mismatched red lines complicate the path to a comprehensive settlement.

Comparison & data

Item Recent figure Context
Duration of opening talks ~21 hours First face-to-face session in Islamabad
Lebanon casualties >2,000 dead, ~6,300 wounded Reported by Lebanon’s health ministry
Pipeline pumping loss ~700,000 barrels/day Damage from Gulf infrastructure attacks, Saudi statement

The table summarises immediate, reported figures relevant to the Islamabad talks and the wider crisis. Numbers reflect official statements and media tallies; independent verification is constrained in active conflict zones. These data points underscore the humanitarian scale, economic disruption and diplomatic time pressure shaping negotiators’ positions.

Reactions & quotes

International leaders and organisations registered disappointment while urging renewed talks and adherence to the ceasefire.

“It is imperative that the parties continue to uphold their commitment to ceasefire.”

Ishaq Dar, Pakistan foreign minister (official statement)

Dar’s comment followed the departure of the US delegation and framed Pakistan’s role as continuing mediator. Islamabad reiterated it would maintain channels between Washington and Tehran.

“We haven’t yet seen a breakthrough in negotiations… but there is merit in continuing to try.”

Wes Streeting, UK health secretary (media interview)

Streeting described the outcome as disappointing for London and stressed the broader economic and humanitarian stakes for countries beyond the region.

“No one had expectation of reaching agreement in a single session.”

Esmaeil Baqaei, Iranian foreign ministry spokesperson (state media)

Baqaei sought to manage expectations and signalled ongoing consultations between Tehran, Pakistan and regional partners.

Unconfirmed

  • Claims that specific naval destroyers transited the Strait of Hormuz remain disputed between military spokespeople and Iranian joint command statements.
  • Footage posted by the Israel Defence Forces of a strike on a rocket launcher in southern Lebanon has not been independently verified.
  • Reports that Iran demanded the immediate opening of the strait as a precondition for a deal require further corroboration from official negotiating records.

Bottom line

The Islamabad talks represented the highest-level direct engagement between Washington and Tehran in years but underscored how entrenched differences persist on nuclear constraints, regional operations and economic settlements. The immediate diplomatic task is to preserve the ceasefire and keep negotiation channels open to prevent further humanitarian and economic fallout. Absent a timetable for follow-up talks, parties and regional intermediaries face a narrow window to stabilise the situation and avoid deeper escalation.

For observers, the key questions are whether Pakistan and other regional actors can broker iterative steps that lock in a lasting cessation of hostilities, and whether external powers will prioritize de-escalation over projected strategic gains. The coming days of consultation will determine whether Islamabad’s first round becomes a foundation for progress or a prelude to renewed confrontation.

Sources

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