(260622) -- BURGENSTOCK, June 22, 2026 (Xinhua) -- Police officers stand guard in Burgenstock near Lucerne, Switzerland, June 21, 2026. The first session of U.S.-Iran talks was conducted in a positive and constructive atmosphere, with encouraging progress made, including the creation of a mechanism for further technical talks, according to a joint statement issued by Qatar and Pakistan on Monday. The parties agr