Vance cancels Iran summit at Bürgenstock, talks postponed as 60-day nuclear deadline looms

Summit called off at last minute

More than 2,000 Swiss troops had been mobilised, roads cordoned off and the Bürgenstock Resort above Lake Lucerne sealed for what was meant to be a decisive round of US‑Iran negotiations. By Friday morning the gathering was off. Overnight, Vance had pulled out and Iran’s team had cancelled its journey, forcing host Switzerland to announce an indefinite postponement. The Swiss foreign department stressed that the country remained ready to support talks, while preparations on the ground continued and extra hotel staff were told to stay at least until Monday.

From signing to stalemate

The talks were meant to flesh out a framework agreement signed only two days earlier in Paris by President Donald Trump and his Iranian counterpart Masoud Pezeshkian. The memorandum gives both sides 60 days to convert a declaration of intent into a binding accord, with the future of Iran’s nuclear programme at the top of the agenda. At a G7 press conference on Wednesday, Trump was bullish, saying the deal had averted a “nuclear holocaust” and that Iran would be “bombed into the ground” if it failed to reach a definitive settlement.

“They don’t want to be bombed.”

French President Emmanuel Macron called the framework “a smart move” and offered to send a Franco‑British flotilla to the Strait of Hormuz to support implementation.

A ceasefire that buys Tehran time

Hours after the Bürgenstock postponement, a separate ceasefire between Israel and Hezbollah took effect at 4 p.m. local time on Friday, according to US and regional sources. The truce, mediated by the US and Qatar with what a senior American official described as Iranian help, gave Tehran a pretext: Swiss diplomat Thomas Greminger told SRF that Iran first wanted to see the ceasefire honoured on all fronts before returning to the negotiating table.

“When you offer good offices, you have to be flexible – such postponements are part of the process.”

At the same time, Tehran announced that ships transiting the Strait of Hormuz would need to register with a newly created authority, a move observers read as preparation to charge fees on the waterway.

Swiss calm amid the confusion

At checkpoints in Obbürgen, near the resort, South Korean, Arab and American TV crews lingered after having travelled for a summit that did not start. “It is a bit annoying that we probably came here for nothing,” one reporter said, though she added the Alpine scenery was some compensation. Chauffeurs ferrying hotel staff reported that catering had been ordered for Saturday and that extra shifts were scheduled through Sunday, fuelling speculation that delegations could arrive within days. Residents, meanwhile, complained of noise from the police and army headquarters through the night. Switzerland’s foreign ministry said only that the nature of the gathering had shifted from a signing ceremony to defining the negotiation process and that the country’s good offices remained available.