Britain’s ambassador to Washington, who has now resigned, believed that US President Donald Trump pulled out of the Iran nuclear deal because it was associated with his predecessor Barack Obama.

Ambassador Kim Darroch wrote in a diplomatic cable in May 2018 that the administration is set upon an act of diplomatic vandalism, seemingly for ideological and personality reasons as it was Obama’s deal. The cable was included in a second batch of leaked reports published by a UK newspaper, the first of which caused Darroch to resign earlier this week.

Kim Darroch was reported to have described the White House as inept, prompting Donald Trump to claim the ambassador was a fool whom he would no longer deal with.

Darroch resigned on Wednesday, saying it was now impossible to do his job. In May 2018, Britain’s then-foreign minister Boris Johnson went to Washington to try to persuade Trump not to abandon the Iran deal.

In a cable sent afterwards, Darroch reportedly indicated there were divisions in Trump’s team over the decision, and criticised the White House for a lack of long-term strategy.