Pakistan, June 22 -- US Vice President JD Vance said Sunday there was an opportunity to "turn over a new leaf" with Iran as the sides held talks aimed at building out the interim deal to end the war in Iran reached by the two sides last week.

Vance and U.S. negotiators met with Iran's parliamentary speaker, Mohammad Bagher Qalibaf, and Foreign Minister Abbas Araghchi at a Swiss mountainside resort near Lake Lucerne. Mediators from Pakistan and Qatar were also in the room for the direct engagement that, according to Iranian state media, lasted about 80 minutes. The U.S. and Iranian negotiating teams also held separate private talks with Pakistani and Qatari officials.

The US is looking to get Iran locked into negotiations over its nuclea...