The latest round of ceasefire negotiations between the United States and Iran collapsed before they could formally begin, as Iran’s top diplomat left Pakistan and President Donald Trump promptly canceled the planned trip of his envoys to Islamabad. The talks were aimed at ending the conflict that erupted in late February but appeared to stall amid mutual distrust and unresolved disputes.

Iran’s Foreign Minister Abbas Araghchi arrived in Islamabad on Friday and met with Pakistan’s Prime Minister Shehbaz Sharif, Foreign Minister Ishaq Dar, and Army Chief Field Marshal Asim Munir, who have been mediating between the two countries. During these discussions, Araghchi reportedly presented Iran’s position regarding a framework to end the war but left the city late Saturday without engaging in direct talks with U.S. representatives. Following his departure, he tweeted that the visit had been “very fruitful” yet expressed skepticism about the U.S. commitment to diplomacy.

Shortly after Araghchi’s exit, President Trump announced on social media and in interviews that he had instructed his special envoy Steve Witkoff and his son-in-law, Jared Kushner, not to undertake the 18-hour flight to Pakistan. Trump cited “too much time wasted on travelling” and confusion within the Iranian leadership, accusing Tehran of internal infighting and lacking clear command. He emphasized that the United States “has all the cards” and would await Iran’s initiative for further talks, saying, “If they want to talk, all they have to do is call.”

Trump also indicated that the cancellation of the trip did not herald a resumption of hostilities. However, the situation remains tense, as the U.S. maintains its naval blockade of Iranian ports, a key point of contention that Iran insists must be lifted before any meaningful negotiations can proceed. Iranian authorities have threatened military retaliation if the blockade and associated “banditry and piracy” continue in the strategically vital Strait of Hormuz, through which about 20% of the world’s oil passes.

White House Press Secretary Karoline Leavitt said prior to the cancellation that some incremental progress had been observed from the Iranian side and that Vice President JD Vance, who led the initial talks in early April, remained on standby to travel if circumstances required. However, she did not elaborate on specific developments. Observers noted that while Iran has signaled willingness to engage in indirect discussions, it refuses face-to-face meetings as long as U.S. military pressure persists.

The diplomatic impasse comes amid broader regional instability, with ongoing clashes between Israel and Hezbollah in southern Lebanon, where recent Israeli strikes have killed multiple militants and civilians despite a recently extended ceasefire.

Iranian President Masoud Pezeshkian emphasized the strain the conflict places on domestic infrastructure, urging citizens to reduce electricity consumption in light of U.S. attacks on Iranian facilities.

As it stands, the prospects of a near-term breakthrough remain uncertain. The U.S. insists Iran curtail its nuclear program and relinquish its enriched uranium stockpile, demands Tehran continues to reject. Pakistan continues to offer its role as a mediator, with Prime Minister Sharif reaffirming Islamabad’s commitment to facilitating a lasting peace. Meanwhile, Araghchi is scheduled to continue his diplomatic tour, with planned visits to Oman and Russia aimed at advancing dialogue.

The failure of the latest planned encounter underscores the deep divisions and fragile state of diplomacy in one of the world’s most volatile regions.