Britain, France and Germany have demanded European companies be spared from US sanctions imposed on Iran after Donald Trump’s decision to pull out of the nuclear agreement with Tehran plunged the transatlantic relationship into crisis.
Such sanctions could force Iran to withdraw from the nuclear deal, which is known as the Joint Comprehensive Plan of Action (JCPOA), the "E3" wrote in a letter to US Treasury Secretary Steven Mnuchin and Mike Pompeo, the secretary of state.
The JCPOA was a painstakingly constructed international agreement 12 years in the making, which gradually removes long-standing economic sanctions on Iran in exchange for evidence that it is denuclearising.
The E3 and the EU...