Intelligence and military officials in Europe and the United States said that over the past year, most aggressive moves have originated not in Tehran, but in Washington. The UK should condemn the actions of the US.
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See United States' withdrawal from the Joint Comprehensive Plan of Action.
'Itching for a War,' Bolton Threatens Iran With 'Unrelenting Force' as US Bombers Deployed to Middle East - https://www.commondreams.org/news/2019/05/06/itching-war-bolton-threatens-iran-unrelenting-force-us-bombers-deployed-middle-east
Bolton-crafted plan to send 120,000 troops to the Middle East -https://www.nytimes.com/2019/05/13/world/middleeast/us-military-plans-iran.html