Iran delegation 'remains engaged' in Switzerland talks, report says Iran is still engaged in talks with the United States in Switzerland, mediated by Pakistan and Qatar and aimed at ending the war, a diplomat with knowledge of the negotiations told AFP late Sunday. "The Iranian delegation remains engaged in the talks and has not indicated to the mediators any intention to leave," the diplomat told AFP on condition of anonymity to discuss the sensitive topic after Iranian media reported Tehran's negotiators had left the venue where the summit was being held.