#USIranCeasefireTalksFaceSetbacks US-Iran Ceasefire Talks Face Setbacks: Deep Divisions Threaten Fragile Peace

Negotiations in Islamabad are hanging by a thread as the US and Iran clash over the scope of the ceasefire, with Lebanon emerging as the primary stumbling block.

Just days after a last-minute deal averted an all-out catastrophe, the much-anticipated peace talks between the United States and Iran are facing severe headwinds. Despite high-level delegations arriving in Islamabad, Pakistan, this weekend, fundamental disagreements threaten to collapse the fragile two-week truce before substantive negotiations can begin .

A Crumbling Foundation

The optimism that accompanied President Donald Trump’s announcement of a “double sided ceasefire” has quickly evaporated. The core of the deadlock lies in the interpretation of the truce’s scope. While Iran insists that the cessation of hostilities includes a complete halt to Israeli military operations in Lebanon against Hezbollah, the US and Israel have explicitly rejected this, calling the Lebanese front a “separate skirmish” .

Iranian officials have labeled Israel’s continued bombardment of Beirut and southern Lebanon a “grave violation” of the agreement. On Wednesday, Israeli strikes killed at least 303 people across Lebanon, a move Tehran views as a direct breach of the understanding brokered by Pakistan and China . Iran’s Parliament Speaker Mohammad Bagher Ghalibaf, who is leading the Iranian delegation, stated that a ceasefire in Lebanon is a non-negotiable precondition for any talks with Washington .

Clash of Proposals

Even if the Lebanese issue is temporarily set aside, the negotiators face a monumental task in reconciling two diametrically opposed visions for the region.

The most immediate point of tension is the Strait of Hormuz. President Trump’s ultimatum—threatening to “wipe a whole civilization” if the strait was not reopened—was the catalyst for the ceasefire . However, Iran refuses to concede control. Tehran proposes a system of “coordinated passage” that maintains its dominant role and has even suggested charging fees for safe transit, a proposal the US flatly rejects .

Secondly, regarding the Nuclear Program, the US insists on a complete cessation of uranium enrichment. Vice President JD Vance, leading the American team, has demanded a “firm commitment” to stop any nuclear weapon development . Conversely, Iran views enrichment as an inalienable right for peaceful energy and has enshrined this condition in its 10-point proposal .

The Mediator’s Challenge

The choice of Pakistan as the mediator is a double-edged sword. While Islamabad maintains relatively balanced relations with both Washington and Tehran, the pressure to deliver a breakthrough in just two weeks is immense . Analysts warn that the timeline is unrealistic for solving issues that have festered for decades.

“These plans don’t even resemble each other in any way,” said Jennifer Kavanagh, director of military analysis at Defense Priorities, highlighting the vast chasm between the US’s 15-point framework and Iran’s 10-point plan . Experts suggest that the best-case scenario for the Islamabad talks is not a comprehensive peace, but a limited agreement on crisis management to prevent an immediate return to war .