Iranian Foreign Minister Mohammad Javad Zarif (C) answers questions after a meeting with Japanese Foreign Minister Taro Kono at the foreign ministry in Tokyo on May 16, 2019. / AFP / Kazuhiro NOGI
Iranian Foreign Minister Mohammad Javad Zarif (C) answers questions after a meeting with Japanese Foreign Minister Taro Kono at the foreign ministry in Tokyo on May 16, 2019. / AFP / Kazuhiro NOGI

Iran showing 'maximum restraint' amid US tensions, Foreign Minister Mohammad Javad Zarif says