Pakistan's Prime Minister Shehbaz Sharif attends a quadrilateral meeting between the United States, Iran, Pakistan and Qatar at the Burgenstock luxury hotel complex overlooking Lake Lucerne, Switzerland, on June 21, 2026, as part of high-level talks aimed at advancing a deal to end the Middle East conflict. (Photo: AFP)

Burgenstock talks make encouraging progress, roadmap agreed for final US-Iran deal within 60 days: Pakistani PM