Reports in the US say President Trump is poised to step back from the Iran nuclear deal.
He's expected to make the announcement at some point over the next few days, and will argue that Iran is not in compliance with the agreement that was struck after international negotiations in 2015.
European officials, and some of the President's own top aides are urging to take a different course as our Washington Correspondent Simon Marks explains.
IN: "He's got a deadline….."
OUT: "….with this deal"
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