US-Iran Negotiations Begin in Islamabad: Focus on Nuclear Deal and Regional Stability

United States and Iranian officials are meeting in Islamabad, Pakistan, on April 11, 2026, for high-stakes negotiations aimed at resolving a conflict that has caused thousands of deaths and disrupted global energy markets. The talks occur during a Pakistan-mediated two-week ceasefire, which officials describe as a critical window to avoid a wider escalation.

The current diplomatic effort follows a period of intense military conflict that began on February 28, 2026. The war was triggered six weeks prior to the April 11 meetings, when the United States and Israel launched coordinated strikes on Iran that resulted in the death of Supreme Leader Ayatollah Ali Khamenei.

The Pakistani prime minister has characterized the April 11 negotiations as a make-or-break moment for regional stability. While a ceasefire is currently in effect, it remains under significant strain due to differing interpretations of the terms and continued Israeli bombing operations in Lebanon.

Delegations and Diplomatic Presence

Iran has deployed a substantial delegation to Islamabad consisting of 71 people, including negotiators, security personnel, media representatives, and technical experts. The delegation is led by Iranian parliament speaker Mohammad Bagher Ghalibaf and includes Foreign Minister Abbas Araghchi.

According to reports from state media Tasnim, the large size of the Iranian team is intended to provide the main negotiators with immediate access to expert committees for consultations on the highly sensitive and complex nature of the talks.

From the United States, JD Vance has traveled to Pakistan to participate in the mediation efforts. The negotiations are taking place against a backdrop of warnings from President Donald Trump, who has stated that the United States will renew and intensify military strikes if a peace deal is not reached.

Core Demands and the 15-Point Proposal

The Trump administration has presented a 15-point proposal as the basis for a potential agreement. While the full document has not been publicly released, reported requirements include a commitment from Iran to abandon the pursuit of nuclear weapons and the handover of its supplies of highly enriched uranium.

the U.S. Proposal seeks to place limits on Tehran’s defense capabilities and demands the full reopening of the Strait of Hormuz. The strait is a critical nerve center for global trade and the world’s most important oil passage. Iran’s control over the waterway has caused consumer price hikes in the United States and global economic ripple effects.

Regional Complications and Lebanon

The negotiations in Islamabad are complicated by ongoing fighting between Israel and the Iran-backed group Hezbollah in Lebanon. Iranian parliament speaker Mohammad Bagher Ghalibaf has indicated that Iran’s participation in negotiations with the United States is contingent upon a ceasefire being established in Lebanon.

Diplomats from Lebanon and Israel held discussions on April 10, 2026, and are scheduled to meet in the United States on April 14, 2026, to address the conflict in Lebanon, which threatens to derail the broader peace efforts between Washington and Tehran.

Timeline of 2025–2026 Negotiations

The April 11 meetings are the latest in a series of attempts to reach a nuclear peace agreement between the two nations. The diplomatic timeline includes several prior rounds of talks:

• Round 1: Conducted from April 12, 2025, to June 13, 2025, at the Al Alam Palace in Muscat, Oman.
• Round 2: Held from February 6, 2026, to February 28, 2026, at the Embassy of the Sultanate of Oman in Rome, Italy.
• Round 3: Commenced on March 30, 2026, in Geneva, Switzerland, and continued leading up to the current crisis.

Previous U.S. Participants in these negotiations included Special Envoy Steve Witkoff, Director of Policy Planning Michael Anton, CENTCOM commander Brad Cooper, and presidential advisor Jared Kushner. The Iranian side has been represented by Foreign Minister Abbas Araghchi, Deputy Foreign Minister Majid Takht-Ravanchi, and Supreme National Security Council member Ali Larijani.

As the meetings proceed in Islamabad, the international community remains focused on whether the two powers can find an off-ramp to end the war and restore the flow of oil through the Strait of Hormuz.