Iran War & Ceasefire — 2026-04-12
US-Iran Islamabad Talks Collapse After 21-Hour Marathon Without Agreement
Vice President Vance departed Islamabad after 21 hours of direct US-Iran negotiations, the first since 1979, ended without agreement. Vance said the US presented its best and final offer but Iran refused to commit to abandoning nuclear weapons development. Key sticking points:
Analysis
The 21-hour marathon represents the first direct US-Iran contact since 1979, a diplomatic threshold crossed and failed in a single session. Vance's framing of the nuclear demand as non-negotiable mirrors the 2018 JCPOA withdrawal logic, suggesting Washington has not developed a workable alternative to the deal it abandoned. Pakistan's continued mediation role is the most consequential diplomatic development, as Islamabad positions itself as an indispensable broker while simultaneously deploying forces to Saudi Arabia under amutual defense pact .
The 21-hour marathon represents the first direct US-Iran contact since 1979, a diplomatic threshold crossed and failed in a single session. Vance's framing of the nuclear demand as non-negotiable mirrors the 2018 JCPOA withdrawal logic, suggesting Washington has not developed a workable alternative to the deal it abandoned. Pakistan's continued mediation role is the most consequential diplomatic development, as Islamabad positions itself as an indispensable broker while simultaneously deploying forces to Saudi Arabia under a
4 sources
- No Deal: U.S.-Iran peace talks in Islamabad fall through -
NPR - No agreement between U.S. and Iran after 21 hours of talks, Vance says -
NBC News - Iran war live: Vance says no deal reached after US made best, final offer -
Al Jazeera - No U.S.-Iran deal reached after 21 hours of talks, Vance says -
CBC News