Iran says exercising restraint despite ‘unacceptable’ escalation of U.S. sanctions

16th May 2019 07:57:37 GMT +0300 Iranian Foreign Minister Mohammad Javad Zarif meets Japanese Foreign Minister Taro Kono (not in the picture) in Tokyo, Japan, May 16, 2019. REUTERS Iran is committed to its obligations under an international nuclear deal despite the U.S.