US Special Envoy for Iran, Jay D. Vance, has postponed a planned trip to Switzerland intended to advance negotiations regarding the Iran nuclear deal. The White House cited outstanding issues in the planning of the next phase of discussions as the reason for the delay. No specific details were provided regarding the nature of these unresolved matters. This postponement raises questions about the timeline for reviving the 2015 agreement, which aimed to limit Iran’s nuclear program in exchange for sanctions relief. Negotiations have been ongoing, with intermittent pauses, for several months, facing obstacles from both sides. The delay comes amid heightened tensions in the region and concerns over Iran’s nuclear capabilities. Further details on when Vance may reschedule his trip, or when negotiations will resume, have not been released.