英国政府：英国首相与美国总统进行了通话。两位领导人讨论了中东局势并重申伊朗核计划对国际安全构成的严重威胁。双方讨论了伊朗尽快回到谈判桌并在持久解决问题上取得进展的必要性。

Group 1 - The UK Prime Minister and the US President discussed the Middle East situation and reaffirmed that Iran's nuclear program poses a serious threat to international security [1] - Both leaders emphasized the necessity for Iran to return to the negotiating table and make progress towards a lasting resolution of the issues [1]