Pakistani Prime Minister cancels trip to Switzerland On June 18th, according to sources cited by Pakistani media, Pakistani Prime Minister Shahbaz, who serves as a mediator for the US Iran memorandum of understanding, has canceled his originally scheduled trip to Switzerland. On the 15th, Shabazz stated that the signing ceremony of the US Iran Memorandum of Understanding will be held in Switzerland on the 19th, and the Pakistani side will preside over the ceremony. Xinhua News Agency