调解方卡塔尔周二表示，伊朗需要展现善意，调解努力才能成功。此前，这个海湾阿拉伯国家的代表团本周早些时候访问了德黑兰，与美国协调，力图缓和地区紧张局势。
Iran needs to show good intentions for mediation efforts to succeed, mediator Qatar said on Tuesday, after a delegation from the Gulf Arab country visited Tehran earlier this week in an effort to de-escalate regional tensions in coordination with the United States.