Data Chart: US Secretary of State Rex Tillerson。
Reporter Diao ocean taken earlier in the day, when Tillerson met with reporters with British Foreign Secretary Johnson said the United States has been a tripartite agreement with the Iranian nuclear namely Britain, France and the three countries to establish a working group to amend the agreement to appoint someone to the principles, methods, etc. consultations on issues related to the talks expected to start early next week。 Johnson then told the media that the fundamental contents of the Iranian nuclear agreement can not be destroyed, it is very important to have confidence in the UK can achieve this goal。   US President Trump 12 announced the final extension of the exemption of sanctions on Iran nuclear issue, and to ask Congress and European countries agreed to amend the terms of the agreement, or the United States will immediately withdraw from the agreement。
  July 2015, Iran reached a comprehensive agreement on the Iranian nuclear issue and the Iranian nuclear issue of the six countries (the United States, Britain, France, Russia, China and Germany)。
Last August 31, the IAEA issued the report, confirming once again that Iran meet the Iranian nuclear deal。
Subsequently the UN General Assembly in September, EU High Representative for Foreign and Security Policy Mogailini stressed that the Iranian nuclear agreement has been fully executed, without re-negotiation。